12 963 287 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
2950433050552903	16	51.4	old
1304355362784057108582457251805652179097	40	129.9	2022-05-24 15:28:49

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-05-31	XZT	89D0B6E66B53D3D4	2	4606761	5	3

P-1 factors

Date	Factor	B1	B2
2022-05-24	1304355362784057108582457251805652179097	400000	321348300

History

Date	User	Type	Result
2022-05-31	Tom Kayser	CERT	PRP Certification Proof certified good
2022-05-31	XZT	C-PRP	M12963287/2950433050552903/1304355362784057108582457251805652179097 : 89D0B6E66B53D3D4 PRP proof power = 8 PRP: Verified Proof certified good
2022-05-24	nordi	F-PM1	Factor: 1304355362784057108582457251805652179097 / (P-1, B1=400000, B2=321348300)
2022-05-22	nordi	NF-PM1	B1=400000