62 247 589 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 =	595000
B2 =	12346250

Status	Date	User	Residue	Shift
Verified	2013-12-07	curtisc	FA445805D3CF69F9	33326049
Verified	2022-08-16	Denis Porva	FA445805D3CF69F9	2569300

History

Date	User	Type	Result
2022-08-16	Denis Porva	C-LL	FA445805D3CF69F9
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^63
2013-12-07	curtisc	C-LL	FA445805D3CF69F9
2013-07-08	Tom Duell	NF	no factor from 2^73 to 2^74
2013-05-20	TheJudger	NF-PM1	B1=595000, B2=12346250, E=12
2013-03-08	RichD0	NF	no factor from 2^72 to 2^73
2013-02-21	James Heinrich	NF	no factor from 2^71 to 2^72
2012-09-28	Carsten Kossendey	NF	no factor from 2^70 to 2^71
2012-09-28	Carsten Kossendey	NF	no factor from 2^69 to 2^70
2009-11-01	Andrey Kurgannikov	NF	no factor from 2^68 to 2^69
2009-10-27	Andrey Kurgannikov	NF	no factor from 2^67 to 2^68
2009-10-22	Andrey Kurgannikov	NF	no factor from 2^66 to 2^67
2009-10-17	ITS	NF	no factor from 2^65 to 2^66
2009-08-12	Sturle Sunde	NF	no factor from 2^64 to 2^65
2009-01-04	Derek	NF	no factor from 2^63 to 2^64