5 706 919 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
3971589216758507312273	22	71.8	2011-02-15 06:38:16

Status	Date	User	Residue	Shift
Bad	1999-09-07	Mark Hyre	F535F6009D1F6A27	3197006
Verified (Factored)	1999-11-04	Chris Maurice	C9AAF7FBB50F9045	2951080
Verified (Factored)	2000-09-29	Bill Fuller	C9AAF7FBB50F9045	341342

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	DEBB05475D654F98	1	0	1	3
Verified	2018-07-21	Martin Russell	DEBB05475D654F98	1	3179579	1	3

History

Date	User	Type	Result
2024-09-03	cramsey87	NF-PM1	B1=800000, B2=935630850
2018-07-21	Martin Russell	C-PRP	M5706919/3971589216758507312273 : DEBB05475D654F98 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5706919/3971589216758507312273 : DEBB05475D654F98 PRP: Verified PRP without proof (not generated)
2011-02-15	markr	F-PM1	Factor: 3971589216758507312273
2009-04-06	GrunwalderGIMP	NF	no factor from 2^62 to 2^63