137 265 437 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	676000
B2 =	31127040

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2025-01-07	Ruslan Borisov	F70BF708627DFF6B	113413214	1	3

History

Date	User	Type	Result
2025-01-08	Xyzzy	CERT	Proof certified good
2025-01-07	Ruslan Borisov	C-PRP	F70BF708627DFF6B Proof Certified Good Proof Power: 10
2024-09-16	Ryan Propper	NF-PM1	B1=676000, B2=31127040
2024-07-26	Richard	NF	no factor TF: 76-77
2024-07-26	JacobZ	NF	no factor TF: 75-76
2023-01-11	SRBase	NF	no factor TF: 74-75
2021-08-04	SRBase	NF	no factor TF: 73-74
2020-10-23	SRBase	NF	no factor TF: 72-73
2016-04-09	David Hruska	NF	no factor TF: 71-72
2016-03-04	Erik Eklund	NF	no factor TF: 70-71
2016-03-03	Ready4PrimeTime	NF	no factor TF: 69-70
2016-02-23	SourceBinary.com	NF	no factor TF: 68-69
2016-02-19	dbaugh	NF	no factor TF: 67-68
2015-02-03	vwflat4	NF	no factor TF: 66-67
2012-11-14	Richard	NF	no factor TF: 65-66
2010-12-01	Richard	NF	no factor TF: 64-65
2010-06-10	Charles A. Morris	NF	no factor TF: 63-64