76 292 941 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 =	13466250

Status	Date	User	Residue	Shift
Unverified	2016-03-10	Ryan Propper	7F6BE9DAF6BE3C__	9272120

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-10-16	Luke Durant	63A5FD4D93AFC07E	0	1	3

History

Date	User	Type	Result
2024-10-16	George Woltman	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-10-16	Luke Durant	C-PRP	63A5FD4D93AFC07E PRP proof power = 9 PRP: Verified Proof certified good
2016-03-10	Ryan Propper	C-LL	7F6BE9DAF6BE3C__
2015-11-23	linded	NF-PM1	B1=665000, B2=13466250, E=6
2015-11-11	ktony	NF	no factor from 2^74 to 2^75
2015-11-11	ktony	NF	no factor from 2^73 to 2^74
2015-11-11	ktony	NF	no factor from 2^72 to 2^73
2015-11-11	ktony	NF	no factor from 2^71 to 2^72
2012-12-22	ig	NF	no factor from 2^70 to 2^71
2011-01-23	Sergej Levin	NF	no factor from 2^69 to 2^70
2011-01-22	searchingforprimes	NF	no factor from 2^68 to 2^69
2010-11-19	ANONYMOUS	NF	no factor from 2^67 to 2^68
2010-11-03	seekua	NF	no factor from 2^66 to 2^67
2010-08-30	FCG Primes	NF	no factor from 2^65 to 2^66
2010-08-25	-Anonymous-	NF	no factor from 2^64 to 2^65