72 401 569 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 =	625000
B2 =	12500000

Status	Date	User	Residue	Shift
Unverified	2015-09-13	Jack The Ripper	8923F36C57C1CE__	8993939

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-03-25	kirkland	LL double-check		0.00 %	2024-03-25

History

Date	User	Type	Result
2015-09-13	Jack The Ripper	C-LL	8923F36C57C1CE__
2015-07-12	TheJudger	NF-PM1	B1=625000, B2=12500000, E=12
2015-07-05	TheJudger	NF	no factor from 2^74 to 2^75
2015-07-05	TheJudger	NF	no factor from 2^73 to 2^74
2015-07-05	TheJudger	NF	no factor from 2^72 to 2^73
2015-02-20	srow7	NF	no factor from 2^71 to 2^72
2012-12-03	vichico	NF	no factor from 2^70 to 2^71
2012-10-01	[DPC] hansR	NF	no factor from 2^69 to 2^70
2010-05-29	tmorrow	NF	no factor from 2^68 to 2^69
2010-05-27	tmorrow	NF	no factor from 2^67 to 2^68
2010-05-25	tmorrow	NF	no factor from 2^66 to 2^67
2010-05-23	biszczuk	NF	no factor from 2^65 to 2^66
2010-05-20	korva	NF	no factor from 2^64 to 2^65
2008-09-19	Wojciech Florek	NF	no factor to 2^64