Great Internet Mersenne Prime Search (GIMPS)

Prime95, also distributed as a command-line utility mprime under FreeBSD and Linux, is a freeware application written by George Woltman. It is used by Great Internet Mersenne Prime Search (GIMPS), a distributed computing project dedicated to Mersenne prime hunting. In overclocking circles, its also commonly used for stability testing.

This repo is a mirror to Free Mersenne Prime Search Software source code for Windows, Linux, FreeBSD, and Mac OS X.

You could download the latest code from GIMPS or release page.

Mirror rank from PrimeNet Top Overall Teams

Top producers for the last year.
This hourly report generated 2026-02-12 12:00 UTC

Rank	Team Name	Total GHz Days	90 day	30 day	7 day	1 day	TF	P-1	LL/PRP	DC	ECM	ECM-F
1	GIMPS.Russia	977250014					0.3		0.1		99.6
2	Slovakia	692132525	⬆ 1				0.1	97.6	0.1		2.2
3	POLAND	437403114	⬆ 1	⬆ 1			0.3	99.1	0.1		0.5
4	PrimeNet	360430739	⬇ 2	⬇ 1			0.1	97.5	0.2	0.3	1.8
5	-Too many Ones-	189552188					0.3	92.2			7.4
6	Ars Technica Team Prime Rib	36418630			⬆ 1		0.1	96.4	0.1	2.3	1.0
7	unRAID	33569865			⬇ 1			99.6	0.4
8	GIMPSChina	22336176					79.2	14.2	4.1	0.7	1.8
9	One Man Team	16978074						99.5	0.5
10	More Power!!!	14573941					13.9	56.2	1.8	0.8	27.3
11	GW's legions	12725324					0.1	0.9	29.9	0.8	68.4
12	UCM-curtisc	11897971	⬆ 1	⬆ 1					99.4	0.6
13	Team-Deutschland	11644700	⬇ 1	⬇ 1			4.0	6.1	0.5	0.1	89.1
14	TeamUK	7415417					39.5	5.7	18.8	1.2	34.5	0.1
15	szerverem.hu	7242468	⬆ 221	⬆ 1			5.9	37.2	45.6	5.1	6.3
16	Porta Kruse	6440324	⬆ 20	⬇ 1			2.0	0.1		0.1	91.6	6.1
17	GPU to 72	4704620	⬇ 2				60.4	22.7	0.6	3.7	12.5
18	SpongeBob SquarePants	3764176	⬇ 2				0.3	31.8	56.5	10.0	1.4
19	Numberphile	2907864	⬇ 1				30.7	40.9	20.5	6.5	1.1
20	tsc	2317627	⬇ 1	⬆ 1			89.7	6.2	1.6	0.2	2.2
21	Dutch Power Cows	2163212	⬇ 4	⬇ 1			32.9	29.1	1.2	1.2	35.5
22	UKRAINE	2142393	⬇ 2				33.7	13.9	37.7	14.6
23	Wikipedia	1965451	⬆ 1				58.8	33.9	4.0	2.3	0.8
24	Swedes Of Primes	1509251	⬇ 2				0.4	83.0	14.1	2.4
25	GIMPS.USA	1393651	⬇ 2				4.7	0.2	3.6	1.8	89.7
26	GIMPS.Japan	1344449	⬇ 5				4.5	0.1	8.0	1.9	85.5
27	GIMPS.Occitania	1306771	⬇ 2					1.8				98.2
28	MOXA	704393	⬇ 2	⬆ 1			98.9		0.8	0.3
29	MATHSareREAL	686005	⬇ 2	⬇ 1			95.5		3.3	1.2
30	MBAi.Cloud	622304							100.0
31	GIMPS.Korea	532456	⬆ 46	⬆ 4			87.4	4.4	7.1	0.9	0.1
32	Rechenkraft.net	481193	⬇ 4	⬇ 1			4.5	59.9	2.9	5.8	26.3	0.5
33	Terry Kim Team	469147	⬇ 2				98.4		0.8	0.3
34	UW Eau Claire	446418	⬆ 202	⬆ 23	⬆ 7	⬆ 1	66.5		25.4	8.1
35	citizenscience.ru	438737	⬇ 6	⬇ 3	⬇ 1	⬇ 1	83.4	7.3	4.0	0.9	3.6	0.9
36	Buhr	415030	⬇ 1	⬇ 2	⬇ 1		62.6	2.6	20.5	6.2	8.0
37	S485122	311380	⬇ 4		⬇ 1			95.0		5.0
38	Smoke-it	288417	⬇ 6	⬇ 2	⬇ 1		91.1	6.6	1.7
39	YahsTeam	218306	⬆ 2	⬇ 1	⬇ 1		88.1		9.9	2.0
40	NerdyGirls	205389	⬆ 7	⬇ 1	⬇ 1		2.4	41.6	8.2	47.8
41	Canada	203808	⬇ 2		⬇ 1			3.2	66.2	29.5
42	GIMPS Team Philippines	200029	⬆ 3	⬆ 2	⬆ 1	⬆ 1	80.9		2.1	1.8	14.4
43	randomteam	199318	⬆ 1		⬇ 1	⬇ 1					100.0
44	Team Tartan	192522	⬇ 4	⬇ 2					76.8	23.2
45	nranks	177596	⬆ 1	⬆ 1	⬆ 2	⬆ 1	39.6	0.7	3.9	0.5	55.3
46	GIMPS China	177395	⬇ 12	⬇ 6	⬇ 1	⬇ 1	95.0		1.8	0.4	2.7
47	BitMEX Research	158925	⬇ 9	⬇ 2	⬇ 1				95.7	4.3
48	404 - "Primes not Found"	152780	⬆ 23	⬆ 11	⬆ 1		69.8		30.2
49	OverclockerAustralia	147192	⬇ 1	⬇ 2	⬇ 1		59.7		21.2	15.6
50	Colorado School of Mines	125369	⬆ 75	⬆ 20	⬆ 6	⬆ 1	86.7		10.0	3.4
51	Team China	124681	⬆ 3	⬇ 3	⬇ 1	⬇ 1			99.7	0.3
52	GIMPS.NZ	120404	⬇ 3	⬇ 2	⬇ 1		77.9		10.9	11.2
53	SASAKI	114900		⬇ 1			100.0
54	Cap'n Entropy's Cavalcade of Wonderment	114350	⬇ 4	⬇ 5	⬇ 2		75.8	5.0	17.1	2.2
55	Unicamp	113263	⬆ 9	⬆ 1	⬆ 2	⬆ 1	73.1	0.3	21.6	5.0
56	EgyptianPolymaths	113092		⬇ 2	⬇ 2	⬇ 1		31.7			63.5
57	Wisconsin	111251	⬇ 5	⬇ 6	⬇ 2		51.9		26.3	21.8
58	Georgia Tech	98884	⬇ 21	⬇ 3			94.3		5.7
59	Hungary	95001	⬇ 2	⬇ 1			0.5		1.9	2.9	94.3
60	GIMPS.France	87313	⬆ 10	⬆ 7			12.8	46.1	5.4	19.6	15.8
61	SHADO	83763		⬇ 1					63.3	17.6	11.2	2.3
62	UIUC	77636	⬆ 5	⬆ 3	⬆ 1				70.1	29.9
63	Net-Work	77597	⬇ 1	⬇ 1	⬇ 1		2.0	2.5			87.2
64	Eratosthenes Sieve	74929	⬇ 1				0.7		98.9	0.3
65	Esperanto	71699	⬇ 7	⬇ 2				24.4	16.2	59.2	0.2
66	LTT fans	67033	⬇ 6	⬇ 5			49.8		8.0	2.2	40.0
67	Team Finland	63026	⬇ 24	⬇ 14			78.0	0.5	21.0		0.4
68	GIMPS.NEO	63002	⬇ 2						76.2	23.8
69	Team Israel	62609	⬇ 4				97.1		1.3	1.6
70	AMD Users	60679	⬇ 1	⬆ 1	⬆ 1		76.9		14.3	8.8
71	Brno University of Technology	58967	⬇ 12	⬇ 5	⬇ 1			25.1	61.1	13.8
72	AJ	57819	⬆ 3	⬆ 2	⬆ 3	⬆ 2			75.8	24.2
73	Team_Italia	57742	⬆ 5	⬇ 1			2.7		69.6	20.8	2.2	4.2
74	ParadoxZ Commando	56947	⬇ 1	⬇ 1	⬇ 2	⬇ 2			72.4	27.6
75	Team Belgium	56645	⬇ 7		⬇ 1		1.4	6.8	36.4	13.3	42.1
76	S147127	51297		⬆ 1			22.8		9.5	67.7
77	ComputerraRU	50127	⬇ 22	⬇ 1			15.7		74.9	9.4
78	Wile E. Coyote	49405	⬆ 4	⬆ 1					81.2	4.2	14.5
79	Team Viet Nam	44241	⬇ 28	⬇ 1			27.6		30.1	31.8	10.5
80	Team Austria	41864	⬇ 6				98.8			1.2
81	LimePrime	37048	⬇ 1	⬆ 1		⬆ 1		7.0	88.0	4.9
82	Team H	36894	⬇ 1	⬆ 1	⬆ 1	⬇ 1	9.7	1.1	88.7	0.5
83	MES-Team	36452	⬇ 11	⬇ 2	⬇ 1		71.3	7.7		21.1
84	Hermessz	36219	⬇ 1	⬆ 1			59.3		40.7
85	socal_prime	35169	⬇ 6	⬇ 1				0.9	67.3	31.7
86	huskers-gimps	32823	⬆ 11	⬆ 1					73.3	26.7
87	Debian	32438	⬆ 4	⬆ 2	⬆ 1				98.3	1.7
88	HardOCP	32142	⬆ 1	⬇ 2	⬇ 1				79.2	20.8
89	Small-Team-2000	30065	⬇ 3	⬇ 1					10.4	89.6
90	Costa Rica	23776		⬆ 1					75.1	24.6
91	á•™(⇀‸↼‶)á•—	22447	⬆ 44	⬆ 19			0.8		98.8	0.3
92	Turku	21617	⬆ 15	⬆ 35	⬆ 7	⬆ 1			100.0
93	Channel 4	20870	⬆ 25	⬆ 11		⬇ 1			83.4	16.6
94	Team Retired	20514		⬇ 1	⬇ 2				26.7	10.3
95	The Fellowship of Infinity	20261	⬆ 20	⬆ 6	⬇ 1				99.5	0.5
96	IOTA	19931	⬆ 140	⬆ 139	⬆ 17	⬆ 2	100.0
97	PrimitiveRootsCircle	19708	⬆ 5	⬆ 3	⬇ 2	⬇ 1	30.3		43.8	23.4	2.5
98	NanJing Tech	19501	⬆ 138	⬆ 9		⬇ 1			100.0
99	A Single Engineer	17917	⬇ 1	⬇ 3	⬇ 2	⬆ 1			73.1	26.9
100	SpartaAlumni	17876	⬇ 4	⬇ 3		⬆ 1			71.1	28.9
101	Quantus	17817	⬇ 14	⬇ 3		⬆ 1	7.9		30.4	26.2		35.5
102	Team Norway	17816	⬇ 7	⬇ 10	⬇ 6	⬇ 3	79.5			4.3	14.7	1.4
103	MurrayInfoSys	17717	⬆ 9	⬆ 3	⬆ 2				66.5	33.5
104	MadPoo	17697	⬇ 62	⬇ 14	⬇ 1			26.6		73.4
105	Portland State University	17577	⬇ 20	⬇ 11	⬇ 1		23.1	27.0	36.1	13.8
106	Ozzie Prime	16965	⬇ 13	⬇ 11	⬇ 4			5.0	58.8	12.6		23.6
107	Nerdfighters for Mersenne Primes	16052	⬇ 6	⬇ 4	⬆ 1		2.9		81.9	15.2
108	Team Slovenia	15676	⬇ 20	⬇ 6	⬇ 2				74.0	26.0
109	VIPR	15001	⬆ 4	⬆ 8	⬆ 1		29.5		47.2	23.3
110	GIMPS.Portugal	14583	⬇ 4	⬇ 2	⬇ 1		0.1	71.7		28.1
111	Spain	14417	⬇ 27	⬇ 12	⬆ 1				65.0	35.0
112	Politeknik Banting, Selangor	13505	⬇ 20	⬇ 3	⬇ 1		79.5		5.9	14.6
113	GIMPS.Taiwan	12908	⬇ 13	⬇ 8	⬇ 6				85.8	13.8	0.1
114	Hyperion	12821	⬇ 6	⬇ 1					2.0	27.7
115	SETI.Germany	12752	⬇ 4	⬆ 1				7.4	24.8	67.7
116	moeses	12553	⬇ 7	⬇ 4					99.1	0.8
117	Mensa	12449	⬇ 1	⬆ 1					75.7	24.3
118	NUST	12234	⬆ 118	⬆ 17	⬆ 1		9.8	86.8		3.5
119	Granada	12192	⬇ 14	⬇ 8	⬇ 1		35.4		6.3	57.7
120	Abacus	11120	⬆ 3	⬆ 2	⬆ 1				92.6	7.4
121	youngfun429	10928	⬇ 17	⬇ 6	⬇ 1				63.8	36.2
122	FREE ROBUX	10852	⬆ 114	⬇ 3					100.0
123	Royal Military College of Canada	10691	⬆ 113	⬇ 2			89.7		7.9	2.4
124	MES22-Team	10564	⬇ 25	⬇ 10			100.0
125	Die Zeitfinder	10009	⬇ 15	⬇ 5					100.0
126	Syntony	9657			⬆ 2	⬆ 2				100.0
127	FreeBSD	9578	⬇ 24	⬇ 4		⬇ 1	0.5		87.1	12.4
128	JiBoTeam	9429	⬆ 1		⬇ 2	⬇ 1				100.0
129	Shaffer's Studio	8945	⬇ 2	⬆ 1					86.4	13.5
130	Triangle	8840	⬇ 11	⬇ 5					96.2	3.8
131	Server66	8528	⬇ 1		⬆ 1	⬆ 1	100.0
132	Aiblspitz	8341	⬆ 2	⬆ 1	⬆ 1	⬆ 1	2.0	61.6	18.9	15.4	2.0
133	Furry Primes	8022	⬇ 2	⬇ 1	⬆ 1	⬆ 1	58.8		27.1	14.1
134	TurkishMath	7792	⬇ 13	⬇ 5	⬇ 3	⬇ 3			90.2	9.8
135	Com Systems (RU)	7699	⬆ 34	⬆ 8					60.6	39.4
136	irowiki	7692	⬇ 8	⬇ 2						100.0
137	Team Splunk	7605	⬇ 4	⬇ 1				28.1	71.9
138	Prime Rib	6863	⬇ 24	⬆ 1	⬆ 2				97.0	3.0
139	WSU Cougars	6589	⬇ 2	⬇ 1					59.0	41.0
140	SU Prime Pirates	6437	⬆ 1		⬆ 1				61.5	38.5
141	Brasil	6434	⬇ 9	⬇ 4	⬇ 3				72.7	27.2
142	GIMPS Romania	6325	⬆ 4	⬆ 4	⬆ 3				100.0
143	University of Waterloo	6259	⬆ 1	⬇ 2	⬇ 1				100.0
144	Team Christensen	6070	⬇ 5	⬇ 2						100.0
145	Elisabeth-von-Thadden-Schule	6009	⬆ 3		⬇ 2				38.6	61.4
146	The_Dude_Abides	5303	⬇ 10	⬆ 3			37.2			50.2
147	nmbarek_team	4960	⬇ 25	⬇ 23	⬆ 1				99.6	0.4
148	Hong Kong GIMP	4901	⬆ 8	⬆ 5	⬆ 1				63.6	36.4
149	teamMALI	4901		⬇ 5	⬆ 1				79.3	20.6
150	Danpi for GIMPS	4710	⬆ 1	⬆ 2	⬆ 2		100.0
151	zeit	4578	⬇ 13	⬇ 1			2.3			97.7
152	The East Coast	4426	⬇ 32	⬆ 3	⬆ 2		99.3	0.7
153	Optimists Prime	4378	⬇ 6	⬇ 5	⬇ 6			67.4	32.6
154	Olympic College	4166	⬆ 4	⬆ 4	⬆ 3	⬆ 1				100.0
155	Kabylie	4140		⬆ 1	⬆ 1	⬆ 1	15.5	4.6	37.6	42.3
156	3DCenter.org	4140	⬇ 13	⬇ 5	⬇ 1	⬇ 2					100.0
157	International School of Beijing (ISB)	3851	⬇ 15	⬇ 10	⬇ 4				99.6	0.4
158	Phi Kappa Theta	3599	⬆ 7	⬆ 3					65.5	34.5
159	RobotechResearch	3470	⬆ 21	⬆ 23	⬆ 2	⬆ 3			91.9	8.1
160	TunisianTeam	3415	⬇ 6			⬇ 1			22.7	77.3
161	Crunching@EVGA	3311	⬆ 75	⬆ 20	⬆ 6	⬇ 1			99.6	0.4
162	GIMPS.Hong Kong	3272	⬇ 12	⬇ 5	⬇ 3	⬇ 1	3.9		47.1	49.0
163	Zorin OS Crew	3193	⬇ 2	⬇ 1	⬇ 1				70.2	29.7
164	FactorMania	3175	⬆ 65	⬆ 16		⬆ 2		57.9			42.1
165	México mágico	3143	⬆ 35	⬆ 8		⬇ 1			75.4	24.6
166	Team_Brazil	2999		⬇ 3	⬇ 3	⬇ 1	83.1	0.2		16.7
167	I Love Canadian Natural Resources	2507	⬇ 7	⬇ 3	⬆ 1					100.0
168	Pi Rho	2498	⬆ 68	⬆ 67	⬆ 13				67.2	32.8
169	The Prime Pioneers	2469	⬆ 26	⬆ 16	⬇ 3		0.9	88.4		10.3	0.3
170	Noam Karni Team	2368	⬆ 20		⬇ 1				66.8	33.2
171	VRS_SE	2359	⬆ 1	⬇ 2	⬇ 1				66.8	33.2
172	Korea.Prime	2331	⬆ 19	⬇ 1	⬇ 1				67.0	33.0
173	Saudi Primes	2268	⬇ 5	⬇ 1						100.0
174	GIMPS_KS	2181	⬆ 62	⬆ 30					36.8	61.7	1.4
175	GIMPSMalaysia	2120	⬆ 38	⬆ 14					75.4	24.5
176	Subprime Searches	2002	⬇ 5	⬇ 11	⬇ 4		87.2			12.8
177	The Pensis	1869	⬇ 1	⬇ 3	⬇ 1					100.0
178	F=dp/dt	1845	⬇ 1	⬇ 3	⬇ 1				85.8	14.2
179	Obsidian	1821	⬆ 4	⬇ 3	⬇ 1					100.0
180	GIMPS_IOM	1712	⬇ 1	⬇ 2	⬇ 1		100.0
181	His Dark Materials	1653	⬇ 18	⬇ 4	⬇ 1					52.2	47.7
182	ANDY	1591	⬇ 29	⬇ 28	⬆ 1				98.2	1.8
183	San Francisco	1586	⬇ 2		⬆ 1				100.0
184	alan145	1561	⬇ 27	⬇ 16	⬇ 2		72.9	1.9		0.3	24.9
185	cr_colorado	1549	⬆ 7	⬆ 12						100.0
186	Artists of Fine Art	1540	⬇ 41	⬇ 19					99.4	0.6
187	TimE4This	1481	⬇ 2	⬇ 1						100.0
188	CZAsTc	1447	⬆ 47	⬆ 45					99.6	0.4
189	math.auth.gr	1355	⬆ 19	⬆ 19	⬆ 1				61.7	38.3
190	Happy	1341	⬇ 2	⬇ 2	⬆ 1						99.9
191	BrainStone	955	⬇ 27	⬇ 12	⬆ 1					100.0
192	AWC	801	⬆ 44	⬆ 43	⬆ 3				100.0
193	Morocco	797	⬆ 43	⬆ 14	⬆ 3					100.0
194	GIMPS Asturias	794	⬆ 2	⬇ 2	⬆ 3				99.6	0.4
195	Weatopians	793	⬆ 2	⬇ 2	⬆ 3				99.7	0.3
196	Sæve Nordic Prime	781	⬆ 2	⬇ 2	⬆ 3				100.0
197	hreid	776	⬇ 13	⬇ 2	⬆ 3				100.0
198	crazyBerlin	774	⬇ 58	⬇ 2	⬆ 3				100.0
199	UCLA Linux Users Group	769	⬇ 37	⬇ 15	⬆ 3				100.0
200	Black Mesa	765	⬇ 83	⬇ 41	⬇ 6				100.0
201	ISISS Valle Seriana	761	⬇ 2	⬇ 2	⬆ 2	⬆ 1			99.6	0.4
202	Join Us 😈	708	⬆ 7	⬆ 7	⬆ 2	⬆ 1	100.0
203	SGDynamo Dresden	580	⬆ 1	⬇ 1	⬆ 2	⬆ 1	100.0
204	PrimeObsession	539	⬆ 32	⬆ 2	⬆ 2	⬆ 1				100.0
205	Therian Primes	528	⬆ 31	⬆ 12	⬆ 11	⬆ 9				100.0
206	London Computation Club	478	⬆ 5	⬆ 5	⬆ 2					100.0
207	EggCelentes	466	⬇ 37	⬇ 41	⬇ 14	⬇ 6				100.0
208	Team Dominik Radler	413	⬇ 1	⬆ 4	⬆ 1	⬇ 1	100.0
209	Czech National Team	353	⬇ 57	⬇ 8	⬆ 1	⬇ 1	10.6			81.1	5.1
210	/r/counting	337	⬆ 15	⬆ 16	⬆ 2	⬇ 1
211	Team Bulgaria	317	⬇ 10	⬇ 8		⬇ 1					99.9
212	KnightLight	315	⬆ 2	⬆ 2	⬆ 1	⬇ 1				99.3
213	Unteranger Primelurche	268	⬇ 10	⬆ 2	⬆ 1	⬇ 1				100.0
214	www.Adamek.biz	265	⬆ 1	⬆ 2	⬆ 1	⬇ 1				100.0
215	Math Teachers of the World	259	⬆ 1	⬆ 3	⬆ 2				100.0
216	Math_Lovers	257	⬇ 27	⬇ 26	⬇ 9					100.0
217	GIMPS Hams	253		⬆ 2	⬆ 1			100.0
218	Lithuania LT	247	⬆ 1	⬆ 3	⬆ 1					100.0
219	DividerHunt	221	⬆ 4	⬆ 4	⬆ 1		100.0
220	Manri Costa Rica	213	⬇ 47	⬇ 29	⬆ 1					100.0
221	yfinder	208		⬆ 3	⬆ 1					100.0
222	Name (t) = A x e^kt	207	⬇ 12	⬇ 12	⬆ 1					100.0
223	30thousandwon	193	⬇ 21	⬆ 2	⬆ 1					100.0
224	GIMPS.Peace	122	⬆ 7	⬆ 3	⬆ 1		44.7	55.3
225	TeamUbuntu	121	⬆ 3	⬆ 3	⬆ 1					100.0
226	TeamEc	71	⬇ 20	⬇ 21	⬆ 1						100.0
227	FourthFloorFourEyes	46	⬆ 3	⬆ 2	⬆ 1		100.0
228	PROMYS	23	⬆ 4	⬆ 2	⬆ 1						100.0
229	sannerud.com	10	⬆ 4	⬆ 3	⬆ 1						100.0