137 241 179 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 =	894000
B2 =	170754150

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-01-06	curtisc	890534A7369E5FBB	42107118	1	3

History

Date	User	Type	Result
2025-01-06	LOBES	CERT	PRP Certification CERT proof power = 8 Proof certified good
2025-01-06	curtisc	C-PRP	890534A7369E5FBB PRP proof power = 8 PRP: Verified Proof certified good
2024-09-16	Odicin	NF-PM1	B1=894000, B2=170754150
2024-08-06	Gnarwhals	NF	no factor from 2^76 to 2^77
2024-08-04	JacobZ	NF	no factor from 2^75 to 2^76
2023-01-12	SRBase	NF	no factor from 2^74 to 2^75
2021-07-31	SRBase	NF	no factor from 2^73 to 2^74
2020-10-26	SRBase	NF	no factor from 2^72 to 2^73
2016-03-03	Earle Lowe	NF	no factor from 2^71 to 2^72
2016-03-03	Earle Lowe	NF	no factor from 2^70 to 2^71
2016-03-03	William Wallace	NF	no factor from 2^69 to 2^70
2016-02-23	SourceBinary.com	NF	no factor from 2^68 to 2^69
2016-02-19	dbaugh	NF	no factor from 2^67 to 2^68
2015-02-03	vwflat4	NF	no factor from 2^66 to 2^67
2012-11-17	Richard	NF	no factor from 2^65 to 2^66
2010-11-30	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-06-10	James Heinrich	NF	no factor from 2^63 to 2^64