120 657 707 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	675000
B2 =	675000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-12-10	Luke Durant	09D0E5A720C8B74D	32009980	1	3

History

Date	User	Type	Result
2024-08-16	Jarod McClintock	NF	no factor from 2^70 to 2^73
2023-12-10	curtisc	CERT	PRP Certification CERT proof power = 8 Proof certified good
2023-12-10	Luke Durant	C-PRP	09D0E5A720C8B74D PRP proof power = 8 PRP: Verified Proof certified good
2023-12-01	Luke Durant	NF-PM1	B1=675000
2022-06-20	TheJudger	NF	no factor from 2^76 to 2^77
2021-07-10	TheJudger	NF	no factor from 2^75 to 2^76
2021-07-10	TheJudger	NF	no factor from 2^74 to 2^75
2021-07-10	TheJudger	NF	no factor from 2^73 to 2^74
2015-11-19	Ruediger Eckhard	NF	no factor from 2^72 to 2^73
2015-11-19	Ruediger Eckhard	NF	no factor from 2^71 to 2^72
2015-11-19	Ruediger Eckhard	NF	no factor from 2^70 to 2^71
2015-11-13	La Güira	NF	no factor from 2^69 to 2^70
2015-11-13	La Güira	NF	no factor from 2^68 to 2^69
2015-02-05	caddr	NF	no factor from 2^67 to 2^68
2013-09-07	E.Lechner	NF	no factor from 2^66 to 2^67
2012-08-07	carlos56	NF	no factor from 2^65 to 2^66
2010-10-19	Charles A. Morris	NF	no factor from 2^64 to 2^65