76 227 509 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 2⁷⁶

TF target 2⁷⁴

P-1

B1 =	640000
B2 =	12800000

Status	Date	User	Residue	Shift
Unverified	2017-07-17	Alex_soldier	84D0924A59D7EC__	55340063

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-10-24	Luke Durant	63AEFA311C440E79	0	1	3

History

Date	User	Type	Result
2024-10-25	daedalus	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-10-24	Luke Durant	C-PRP	63AEFA311C440E79 PRP proof power = 9 PRP: Verified Proof certified good
2017-07-17	Alex_soldier	C-LL	84D0924A59D7EC__
2015-11-17	Alex_soldier	NF	no factor from 2^75 to 2^76
2015-07-11	nranks	NF-PM1	B1=640000, B2=12800000, E=12
2015-07-09	Chuck	NF	no factor from 2^74 to 2^75
2015-07-09	Chuck	NF	no factor from 2^73 to 2^74
2013-05-20	DRH	NF	no factor from 2^72 to 2^73
2013-05-20	DRH	NF	no factor from 2^71 to 2^72
2012-12-19	ig	NF	no factor from 2^70 to 2^71
2011-02-18	-Anonymous-	NF	no factor from 2^69 to 2^70
2011-01-24	dsl	NF	no factor from 2^68 to 2^69
2011-01-22	subgenius	NF	no factor from 2^67 to 2^68
2010-10-24	eon_blue_apocalypse	NF	no factor from 2^66 to 2^67
2010-10-24	I2NM2	NF	no factor from 2^65 to 2^66
2010-10-23	-Anonymous-	NF	no factor from 2^64 to 2^65