137 281 741 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 =	854000
B2 =	117587610

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-01-11	ky0uraku	7A79B12A7EE2987E	63602427	1	3

History

Date	User	Type	Result
2025-01-12	Xyzzy	CERT	Proof certified good
2025-01-11	ky0uraku	C-PRP	7A79B12A7EE2987E Proof Certified Good Proof Power: 9
2024-09-17	EthanD	NF-PM1	B1=854000, B2=117587610
2024-07-28	TheJudger	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
2021-07-31	SRBase	NF	no factor TF: 73-74
2020-10-26	SRBase	NF	no factor TF: 72-73
2016-03-04	SourceBinary.com	NF	no factor TF: 71-72
2016-02-29	guru	NF	no factor TF: 70-71
2016-02-29	guru	NF	no factor TF: 69-70
2016-02-25	AK76	NF	no factor TF: 68-69
2016-02-19	dbaugh	NF	no factor TF: 67-68
2015-02-03	sasaki3	NF	no factor TF: 66-67
2012-11-11	Koekie	NF	no factor TF: 65-66
2010-11-30	Dubai_College	NF	no factor TF: 64-65
2010-06-10	Jud McCranie	NF	no factor TF: 63-64