15 794 419 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
313277926679669341514473	24	78.1	2016-01-06 13:28:44

Status	Date	User	Residue	Shift
Verified (Factored)	2002-10-12	Phillip Twiss	4C10450459169805	6693785
Verified (Factored)	2007-02-20	Bernd Degel	4C10450459169805	2801924

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-10-21	Naegi Makoto	4472093461558F52	1	1458152	5	3

P-1 factors

Date	Factor	B1	B2
2016-01-06	313277926679669341514473	300000	0

History

Date	User	Type	Result
2023-10-21	Will Edgington	CERT	PRP Certification Proof certified good
2023-10-21	Naegi Makoto	C-PRP	M15794419/313277926679669341514473 : 4472093461558F52 PRP proof power = 8 PRP: Verified Proof certified good
2023-08-29	nordi	NF-PM1	B1=480000, B2=264402600
2023-08-11	nordi	NF-PM1	B1=480000
2022-03-27	LordJulius	NF	no factor from 2^65 to 2^66
2016-01-06	Tha	F-PM1	Factor: 313277926679669341514473 / (P-1, B1=300000)
2014-07-10	Nesowa	NF	no factor from 2^66 to 2^67