62 128 427 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 2⁷⁴

TF target 2⁷⁴

P-1

B1 =	550000
B2 =	10862500

Status	Date	User	Residue	Shift
Unverified	2014-04-13	curtisc	76ACE165C74E04__	36268087

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-11-08	adamgm	F0981FC9C3703025	0	1	3
Verified	2021-11-21	_p95holder_	F0981FC9C3703025	57158858	1	3

History

Date	User	Type	Result
2021-11-21	_p95holder_	C-PRP	F0981FC9C3703025 PRP: Verified PRP without proof (not generated)
2021-11-08	adamgm	C-PRP	F0981FC9C3703025 PRP: Verified PRP without proof (not generated)
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^63
2014-04-13	curtisc	C-LL	76ACE165C74E04__
2013-05-28	owftheevil	NF-PM1	B1=550000, B2=10862500, E=6
2013-05-20	RichD0	NF	no factor from 2^73 to 2^74
2013-03-20	MikeBerlin	NF	no factor from 2^72 to 2^73
2013-03-20	MikeBerlin	NF	no factor from 2^71 to 2^72
2013-03-20	MikeBerlin	NF	no factor from 2^70 to 2^71
2012-03-30	ITS	NF	no factor from 2^69 to 2^70
2010-01-05	bzm	NF	no factor from 2^68 to 2^69
2009-11-02	-Anonymous-	NF	no factor from 2^67 to 2^68
2009-10-26	-Anonymous-	NF	no factor from 2^66 to 2^67
2009-10-22	Sturle Sunde	NF	no factor from 2^65 to 2^66
2009-08-20	id_warrior	NF	no factor from 2^64 to 2^65
2008-12-12	Derek	NF	no factor from 2^63 to 2^64