62 049 409 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
Verified	2013-05-02	arnaud	6C81636FD6A98815	40244048
Verified	2022-07-20	Andrew_and	6C81636FD6A98815	47147660

History

Date	User	Type	Result
2022-07-20	Andrew_and	C-LL	6C81636FD6A98815
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^63
2013-05-02	arnaud	C-LL	6C81636FD6A98815
2013-03-08	davidb_KS	NF-PM1	B1=550000, B2=10862500, E=12
2013-02-25	Jerry Hallett	NF	no factor from 2^73 to 2^74
2013-02-25	Jerry Hallett	NF	no factor from 2^72 to 2^73
2013-02-13	Jerry Hallett	NF	no factor from 2^71 to 2^72
2012-07-17	Kyle Askine	NF	no factor from 2^70 to 2^71
2012-03-24	S00030	NF	no factor from 2^69 to 2^70
2010-01-03	Sturle Sunde	NF	no factor from 2^68 to 2^69
2009-03-02	Sturle Sunde	NF	no factor from 2^67 to 2^68
2009-03-01	Sturle Sunde	NF	no factor from 2^66 to 2^67
2009-03-01	shimrah	NF	no factor from 2^65 to 2^66
2009-02-16	PeterIron	NF	no factor from 2^64 to 2^65
2008-12-24	Derek	NF	no factor from 2^63 to 2^64