6 660 677 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
232331928175308781270396404784849	33	107.5	2022-01-02 23:43:17

ECM

Digits	B1	Curves
25	50000	6 / 280

Estimated T-Level: 20.1 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1999-09-14	Jeffrey Kirk	E8668E822979FFB4	3901297
Verified (Factored)	2001-05-13	Ing. Pavel PaJaSoft Janousek	E8668E822979FFB4	6023726

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-01-08	Joe S.	2377A6C5DDA6EFE4	1	3582603	5	3

P-1 factors

Date	Factor	B1	B2
2022-01-02	232331928175308781270396404784849	2000000	1010835210

History

Date	User	Type	Result
2022-01-08	curtisc	CERT	PRP Certification Proof certified good
2022-01-08	Joe S.	C-PRP	M6660677/232331928175308781270396404784849 : 2377A6C5DDA6EFE4 PRP proof power = 7 PRP: Verified Proof certified good
2022-01-02	Seth_Tr	F-PM1	Factor: 232331928175308781270396404784849 / (P-1, B1=2000000, B2=1010835210)
2021-09-25	SRBase	NF	no factor from 2^71 to 2^72
2021-08-11	SRBase	NF	no factor from 2^70 to 2^71
2021-05-21	takahashi	NF	no factor from 2^69 to 2^70
2020-08-03	takahashi	NF-PM1	B1=1000000, B2=23000000, E=12
2020-06-05	TJAOI	NF	no factor from 2^68 to 2^69
2019-03-04	takahashi	NF-PM1	B1=250000, B2=4400000, E=6
2018-02-27	-Anonymous-	NF	no factor from 2^67 to 2^68
2016-04-20	Gordon Spence	NF	no factor from 2^66 to 2^67
2015-11-08	snme2pm1	NF	no factor from 2^65 to 2^66
2014-07-10	lycorn	NF	no factor from 2^64 to 2^65
2014-06-29	Nesowa	NF	no factor from 2^63 to 2^64
2012-02-25	kurly	NF-PM1	B1=80000, B2=1360000, E=6