74 261 251 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	645000
B2 =	12900000

Status	Date	User	Residue	Shift
Unverified	2016-03-04	Jack The Ripper	067A4BECF372FA__	275590

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-02-26	-Anonymous-	LL double-check	LL	0.20 %	2024-03-23

History

Date	User	Type	Result
2016-03-04	Jack The Ripper	C-LL	067A4BECF372FA__
2015-06-28	TheJudger	NF-PM1	B1=645000, B2=12900000, E=12
2015-06-23	kdgehman	NF	no factor from 2^74 to 2^75
2015-06-23	kdgehman	NF	no factor from 2^73 to 2^74
2015-06-23	kdgehman	NF	no factor from 2^72 to 2^73
2015-06-23	kdgehman	NF	no factor from 2^71 to 2^72
2013-05-13	g0b	NF	no factor from 2^70 to 2^71
2012-10-29	Clown_Royal	NF	no factor from 2^69 to 2^70
2010-11-03	trif	NF	no factor from 2^68 to 2^69
2010-07-10	Bold_Seeker	NF	no factor from 2^67 to 2^68
2010-07-07	Bold_Seeker	NF	no factor from 2^66 to 2^67
2010-07-04	TeraTism	NF	no factor from 2^65 to 2^66
2010-06-25	GrunwalderGIMP	NF	no factor from 2^64 to 2^65
2008-09-12	lycorn	NF	no factor to 2^64