56 824 633 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 2⁷⁶

TF target 2⁷³

P-1

B1 =	605000
B2 =	13763750

Status	Date	User	Residue	Shift
Verified	2013-02-03	curtisc	DFA7E35129EC50B6	15231416
Verified	2021-02-17	Smok_bmv	DFA7E35129EC50B6	33541353
Verified	2021-05-14	-Anonymous-	DFA7E35129EC50B6	452936

History

Date	User	Type	Result
2021-05-14	-Anonymous-	C-LL	DFA7E35129EC50B6
2021-02-17	Smok_bmv	C-LL	DFA7E35129EC50B6
2020-11-07	-Anonymous-	NF	no factor from 2^75 to 2^76
2020-10-18	-Anonymous-	NF	no factor from 2^74 to 2^75
2018-11-29	Sid & Andy	NF	no factor from 2^73 to 2^74
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^63
2013-02-03	curtisc	C-LL	DFA7E35129EC50B6
2012-10-17	Bdot	NF-PM1	B1=605000, B2=13763750, E=6
2012-10-05	kdgehman	NF	no factor from 2^72 to 2^73
2012-05-30	Tom Duell	NF	no factor from 2^71 to 2^72
2012-03-12	Kyle Askine	NF	no factor from 2^70 to 2^71
2011-06-15	-Anonymous-	NF	no factor from 2^69 to 2^70
2011-04-18	KAMCOBILL	NF	no factor from 2^68 to 2^69
2009-12-18	Pi_Rho	NF	no factor from 2^67 to 2^68
2008-08-18	James Heinrich	NF	no factor from 2^66 to 2^67
2008-08-17	Sturle Sunde	NF	no factor from 2^65 to 2^66
2008-08-16	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-08-14	Sturle Sunde	NF	no factor from 2^63 to 2^64