2 942 287 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
92327698466533295431	20	66.3	2015-04-30 21:53:35

ECM

Digits	B1	Curves
25	50000	9 / 280

Estimated T-Level: 20.2 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-07-21	Donald Guse	AAD3699B9BC39504	0
Verified (Factored)	1999-05-09	Ethan Hansen	AAD3699B9BC39504	1025764

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-30	alpertron	0E905980CEA6C66E	1	0	1	3
Verified	2017-11-18	Oliver Kruse	0E905980CEA6C66E	1	641299	1	3

P-1 factors

Date	Factor	B1	B2
2015-04-30	92327698466533295431	1000000	0

History

Date	User	Type	Result
2023-02-27	USAFSS	NF-PM1	B1=280000, B2=219875040
2022-03-10	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-18	Oliver Kruse	C-PRP	M2942287/92327698466533295431 : 0E905980CEA6C66E PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M2942287/92327698466533295431 : 0E905980CEA6C66E PRP: Verified PRP without proof (not generated)
2015-04-30	VictordeHollander	F-PM1	Factor: 92327698466533295431 / (P-1, B1=1000000)
2015-04-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2011-12-26	markr	NF	no factor from 2^61 to 2^62
2010-11-06	markr	NF-PM1	B1=105000, B2=2310000, E=6
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61