12 882 217 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2692589468473	13	41.3	old
141107339368512361995993479080557906937	39	126.7	2022-05-18 09:04:42

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-05-24	XZT	0A7C394B55A870C9	2	6543216	5	3

P-1 factors

Date	Factor	B1	B2
2022-05-18	141107339368512361995993479080557906937	400000	428459850

History

Date	User	Type	Result
2022-05-31	Puang	CERT	PRP Certification Proof certified good
2022-05-24	XZT	C-PRP	M12882217/2692589468473/141107339368512361995993479080557906937 : 0A7C394B55A870C9 PRP proof power = 8 PRP: Verified Proof certified good
2022-05-18	nordi	F-PM1	Factor: 141107339368512361995993479080557906937 / (P-1, B1=400000, B2=428459850)
2022-05-12	nordi	NF-PM1	B1=400000