137 487 937 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 =	31393950

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-03-11	ky0uraku	386BDD1D7C542AFE	127823292	1	3

History

Date	User	Type	Result
2025-03-11	silerm	CERT	Proof certified good
2025-03-11	ky0uraku	C-PRP	386BDD1D7C542AFE Proof Certified Good Proof Power: 9
2024-09-18	Ryan Propper	NF-PM1	B1=676000, B2=31393950
2024-08-05	ANONYMOUS	NF	no factor TF: 76-77
2024-06-18	JacobZ	NF	no factor TF: 75-76
2023-01-15	SRBase	NF	no factor TF: 74-75
2021-07-31	SRBase	NF	no factor TF: 73-74
2020-10-27	SRBase	NF	no factor TF: 72-73
2016-03-15	Ilya Alexandrov	NF	no factor TF: 71-72
2016-03-15	Ilya Alexandrov	NF	no factor TF: 70-71
2016-03-15	Ilya Alexandrov	NF	no factor TF: 69-70
2016-03-14	ITS	NF	no factor TF: 68-69
2016-03-09	Will Edgington	NF	no factor TF: 67-68
2015-02-07	adolfico	NF	no factor TF: 66-67
2012-11-16	lindee	NF	no factor TF: 65-66
2010-11-30	Mr-Plonk	NF	no factor TF: 64-65
2010-06-11	-anonymous-	NF	no factor TF: 63-64