56 677 639 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 2⁷³

P-1

B1 =	1000000
B2 =	20000000

Status	Date	User	Residue	Shift
Verified	2015-01-28	gcardona	7CA92719921345D9	37236861
Verified	2020-12-02	Smok_bmv	7CA92719921345D9	33061405

History

Date	User	Type	Result
2020-12-02	Smok_bmv	C-LL	7CA92719921345D9
2020-03-27	Sid & Andy	NF	no factor from 2^74 to 2^75
2018-04-19	Sid & Andy	NF-PM1	B1=1000000, B2=20000000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^63
2015-01-28	gcardona	C-LL	7CA92719921345D9
2014-10-06	monst	NF	no factor from 2^73 to 2^74
2014-01-29	ktony	NF	no factor from 2^72 to 2^73
2012-07-09	Bdot	NF	no factor from 2^71 to 2^72
2012-02-03	-Anonymous-	NF-PM1	B1=775000
2011-09-18	qwertyuio999	NF	no factor from 2^70 to 2^71
2011-09-09	Stephan Grupp	NF	no factor from 2^69 to 2^70
2011-06-25	jfarek	NF	no factor from 2^68 to 2^69
2009-07-24	Johannes Weingartner	NF	no factor from 2^67 to 2^68
2008-08-08	Sturle Sunde	NF	no factor from 2^66 to 2^67
2008-08-04	Sturle Sunde	NF	no factor from 2^65 to 2^66
2008-08-04	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-08-03	Sturle Sunde	NF	no factor from 2^63 to 2^64