6 912 953 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
41477719	8	25.3	old
207309083321093038128174281	27	87.4	2023-12-27 08:54:20

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-01-23	Oliver Kruse	F68A11C4BEA15C97	1	1562155	5	3
Verified (Factored)	2019-01-26	Luigi Morelli	F68A11C4BEA15C97	1	6249767	5	3
Verified	2023-12-31	Naegi Makoto	F68A11C4BEA15C97	2	5365192	5	3

P-1 factors

Date	Factor	B1	B2
2023-12-27	207309083321093038128174281	569000	569000

History

Date	User	Type	Result
2023-12-31	LOBES	CERT	PRP Certification Proof certified good
2023-12-31	Naegi Makoto	C-PRP	M6912953/41477719/207309083321093038128174281 : F68A11C4BEA15C97 PRP proof power = 8 PRP: Verified Proof certified good
2023-12-27	Stef42	F-PM1	Factor: 207309083321093038128174281 / (P-1, B1=569000)
2019-01-26	Luigi Morelli	C-PRP	M6912953/41477719 : F68A11C4BEA15C97 PRP: Verified (Factored) PRP without proof (not generated)
2018-01-23	Oliver Kruse	C-PRP	M6912953/41477719 : F68A11C4BEA15C97 PRP: Verified (Factored) PRP without proof (not generated)