137 558 137 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 =	1162000
B2 =	1226374050

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-03-29	ky0uraku	4F50EC65CB13B0CF	93337752	1	3

History

Date	User	Type	Result
2025-03-29	Jade	CERT	Proof certified good
2025-03-29	ky0uraku	C-PRP	4F50EC65CB13B0CF Proof Certified Good Proof Power: 9
2024-09-17	Luke Durant	NF-PM1	B1=1162000, B2=1226374050
2024-07-20	Richard	NF	no factor TF: 76-77
2024-07-13	SRBase	NF	no factor TF: 75-76
2023-01-12	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
2016-05-27	EPF	NF	no factor TF: 71-72
2016-05-17	workerthread	NF	no factor TF: 70-71
2016-05-14	Choi4KANG	NF	no factor TF: 69-70
2016-03-25	dbaugh	NF	no factor TF: 68-69
2016-02-27	dbaugh	NF	no factor TF: 67-68
2015-02-04	Judge Hale	NF	no factor TF: 66-67
2012-11-12	Koekie	NF	no factor TF: 65-66
2010-12-01	-anonymous-	NF	no factor TF: 64-65
2010-06-11	Mr-Plonk	NF	no factor TF: 63-64