137 288 761 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=9	2025-01-17	ky0uraku	BBAF5F0F291E73AF	64380387	1	3

History

Date	User	Type	Result
2025-01-17	Jonathan Webb	CERT	Proof certified good
2025-01-17	ky0uraku	C-PRP	BBAF5F0F291E73AF Proof Certified Good Proof Power: 9
2024-09-16	Ryan Propper	NF-PM1	B1=676000, B2=31127040
2024-07-20	Luke Durant	NF	no factor TF: 76-77
2024-07-08	JacobZ	NF	no factor TF: 75-76
2023-01-11	SRBase	NF	no factor TF: 74-75
2021-07-31	SRBase	NF	no factor TF: 73-74
2020-10-23	SRBase	NF	no factor TF: 72-73
2016-03-31	Smok_bmv	NF	no factor TF: 71-72
2016-03-29	Smok_bmv	NF	no factor TF: 70-71
2016-03-25	dbaugh	NF	no factor TF: 69-70
2016-02-27	AK76	NF	no factor TF: 68-69
2016-02-19	dbaugh	NF	no factor TF: 67-68
2015-02-07	GrunwalderGIMP	NF	no factor TF: 66-67
2012-11-11	OS1	NF	no factor TF: 65-66
2010-11-30	Torchwood Institute	NF	no factor TF: 64-65
2010-06-10	Mr-Plonk	NF	no factor TF: 63-64