137 311 019 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	2025-01-16	ky0uraku	62B00CD39FEE1F12	74202572	1	3

History

Date	User	Type	Result
2025-01-16	Zitong Zhang	CERT	Proof certified good
2025-01-16	ky0uraku	C-PRP	62B00CD39FEE1F12 Proof Certified Good Proof Power: 9
2024-09-16	Ryan Propper	NF-PM1	B1=676000, B2=31127040
2024-08-08	Vili	NF	no factor TF: 76-77
2024-07-05	La Güira	NF	no factor TF: 75-76
2016-03-13	PED	NF	no factor TF: 74-75
2016-03-13	PED	NF	no factor TF: 73-74
2016-03-13	PED	NF	no factor TF: 72-73
2016-03-13	PED	NF	no factor TF: 71-72
2016-03-13	PED	NF	no factor TF: 70-71
2016-03-13	PED	NF	no factor TF: 69-70
2016-03-13	PED	NF	no factor TF: 68-69
2016-02-19	dbaugh	NF	no factor TF: 67-68
2015-02-03	tsc	NF	no factor TF: 66-67
2012-11-11	nextPrime	NF	no factor TF: 65-66
2010-11-30	Torchwood Institute	NF	no factor TF: 64-65
2010-06-10	Torchwood Institute	NF	no factor TF: 63-64