76 580 753 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 PRP test

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	665000
B2 =	13300000

Status	Date	User	Residue	Shift
Unverified	2017-05-21	Sergey Nosov	75108CD180BCFE__	9209353

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-10-16	Luke Durant	8930F422DD5F068E	0	1	3

History

Date	User	Type	Result
2024-10-16	Lolum Iridide	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-10-16	Luke Durant	C-PRP	8930F422DD5F068E PRP proof power = 9 PRP: Verified Proof certified good
2017-05-21	Sergey Nosov	C-LL	75108CD180BCFE__
2016-04-03	TheJudger	NF-PM1	B1=665000, B2=13300000, E=12
2016-03-29	Kevin Jaget	NF	no factor from 2^74 to 2^75
2016-03-21	Kevin Jaget	NF	no factor from 2^73 to 2^74
2013-01-17	DRH	NF	no factor from 2^72 to 2^73
2013-01-02	phoenicis	NF	no factor from 2^71 to 2^72
2013-01-02	phoenicis	NF	no factor from 2^70 to 2^71
2011-02-24	kevshaw	NF	no factor from 2^69 to 2^70
2011-02-12	Alexey Burdin	NF	no factor from 2^68 to 2^69
2011-01-23	Gimarel	NF	no factor from 2^67 to 2^68
2010-11-21	OS1	NF	no factor from 2^66 to 2^67
2010-11-20	GrunwalderGIMP	NF	no factor from 2^65 to 2^66
2010-11-19	-Anonymous-	NF	no factor from 2^64 to 2^65