12 902 363 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
645118151	9	29.3	old
2477253697	10	31.2	2008-09-08 08:41:30
2072437024953431	16	50.9	2014-06-11 11:31:45

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-05-20	XZT	E9EAEC20A17BB9D6	3	11345040	5	3

History

Date	User	Type	Result
2022-05-20	curtisc	CERT	PRP Certification Proof certified good
2022-05-20	XZT	C-PRP	M12902363/645118151/2477253697/2072437024953431 : E9EAEC20A17BB9D6 PRP proof power = 8 PRP: Verified Proof certified good
2022-05-19	nordi	NF-PM1	B1=400000, B2=321348300
2022-05-16	nordi	NF-PM1	B1=400000
2014-06-11	TJAOI	F	Factor: 2072437024953431
2008-09-08	Will Edgington	F	Factor: 2477253697