11 956 811 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
3252252593	10	31.6	old
2936808004199	13	41.4	2008-09-08 07:44:00

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-12-09	ATH	2271826419E21049	2	5952375	5	3

History

Date	User	Type	Result
2023-05-21	nordi	NF-PM1	B1=400000, B2=428459850
2021-12-09	Cosmos95	CERT	PRP Certification Proof certified good
2021-12-09	ATH	C-PRP	M11956811/3252252593/2936808004199 : 2271826419E21049 PRP proof power = 8 PRP: Verified Proof certified good
2021-11-21	nordi	NF-PM1	B1=400000, B2=12000000
2021-11-21	nordi	NF-PM1	B1=400000
2008-09-08	Will Edgington	F	Factor: 2936808004199