76 362 499 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	665000
B2 =	13300000

Status	Date	User	Residue	Shift
Verified	2016-12-30	frolyar	8A76CCF76DDE1CF6	13058668
Verified	2025-04-12	Stark19	8A76CCF76DDE1CF6	45383961

History

Date	User	Type	Result
2025-04-12	Stark19	C-LL	8A76CCF76DDE1CF6
2016-12-30	frolyar	C-LL	8A76CCF76DDE1CF6
2016-03-13	TheJudger	NF-PM1	B1=665000, B2=13300000, E=12
2016-02-28	TheJudger	NF	no factor from 2^74 to 2^75
2016-02-21	TheJudger	NF	no factor from 2^73 to 2^74
2016-02-19	Judge Hale	NF	no factor from 2^72 to 2^73
2015-11-17	RichD0	NF	no factor from 2^71 to 2^72
2012-12-19	GrunwalderGIMP	NF	no factor from 2^70 to 2^71
2010-11-13	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-11-10	-Anonymous-	NF	no factor from 2^68 to 2^69
2010-11-08	magicxh	NF	no factor from 2^67 to 2^68
2010-09-12	Aldo_Grid	NF	no factor from 2^66 to 2^67
2010-09-07	charger	NF	no factor from 2^65 to 2^66
2010-09-02	drewha - Belarus	NF	no factor from 2^64 to 2^65