7 375 079 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
40812578807148323209	20	65.1	2018-06-26 12:46:39
76697627924110143361	20	66.1	2012-09-14 20:29:20

Status	Date	User	Residue	Shift
Verified (Factored)	1999-05-30	Paul Rafferty	ACFFD47161F45D73	0
Verified (Factored)	2002-01-22	Ing. Pavel PaJaSoft Janousek	ACFFD47161F45D73	6916713

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-03-10	trebor	0B1146D382E8F3FF	1	2443261	5	3
Verified	2018-06-29	_p95holder_	0B1146D382E8F3FF	2	1138280	5	3

P-1 factors

Date	Factor	B1	B2
2012-09-14	76697627924110143361	80000	1380000

History

Date	User	Type	Result
2022-03-21	LordJulius	NF	no factor from 2^64 to 2^65
2018-06-29	_p95holder_	C-PRP	M7375079/76697627924110143361/40812578807148323209 : 0B1146D382E8F3FF PRP: Verified PRP without proof (not generated)
2018-06-26	TJAOI	F	Factor: 40812578807148323209 / TF: 65-66
2018-03-10	trebor	C-PRP	M7375079/76697627924110143361 : 0B1146D382E8F3FF PRP: Verified PRP without proof (not generated)
2012-09-14	Nesowa	F-PM1	Factor: 76697627924110143361
2012-03-31	David Campeau	NF	no factor from 2^63 to 2^64