137 859 517 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 =	1162000
B2 =	1120793850

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-06-03	curtisc	7823D031970748C7	87527265	1	3

History

Date	User	Type	Result
2025-06-03	thunder	CERT	PRP Certification CERT proof power = 8 Proof certified good
2025-06-03	curtisc	C-PRP	7823D031970748C7 PRP proof power = 8 PRP: Verified Proof certified good
2024-09-18	Luke Durant	NF-PM1	B1=1162000, B2=1120793850
2024-07-28	TheJudger	NF	no factor from 2^76 to 2^77
2024-07-12	SRBase	NF	no factor from 2^75 to 2^76
2024-05-06	Greg	NF	no factor from 2^69 to 2^70
2023-01-21	SRBase	NF	no factor from 2^74 to 2^75
2021-07-31	SRBase	NF	no factor from 2^73 to 2^74
2020-10-23	SRBase	NF	no factor from 2^72 to 2^73
2016-06-13	d3zorg	NF	no factor from 2^71 to 2^72
2016-06-13	Derek	NF	no factor from 2^70 to 2^71
2016-06-13	Josh Famestad	NF	no factor from 2^69 to 2^70
2016-05-19	Choi4KANG	NF	no factor from 2^68 to 2^69
2016-03-02	dbaugh	NF	no factor from 2^67 to 2^68
2015-02-05	vwflat4	NF	no factor from 2^66 to 2^67
2012-11-14	HardyP Germany	NF	no factor from 2^65 to 2^66
2010-12-02	Richard	NF	no factor from 2^64 to 2^65
2010-06-11	Mr-Plonk	NF	no factor from 2^63 to 2^64