277 772 387 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁷⁶

TF target 2⁸⁰

Factored

Factor	Digits	Bits	Date
39725679897093442777417	23	75.1	2025-02-10 16:14:06

History

Date	User	Type	Result
2025-02-10	NStorm	F	Factor: 39725679897093442777417 / TF: 75-76
2024-06-12	James Heinrich	NF	no factor TF: 70-71
2023-07-29	SRBase	NF	no factor TF: 74-75
2022-03-08	SRBase	NF	no factor TF: 73-74
2020-12-07	Ruslan Borisov	NF	no factor TF: 72-73
2020-07-13	SRBase	NF	no factor TF: 71-72
2019-10-14	Conductor	NF	no factor TF: 70-71
2019-09-18	proxy2222	NF	no factor TF: 69-70
2018-07-09	Chabot Prime	NF	no factor TF: 68-69
2016-11-07	el grocco	NF	no factor TF: 67-68
2016-01-19	GrunwalderGIMP	NF	no factor TF: 66-67
2013-12-08	haphaeu	NF	no factor TF: 65-66
2011-09-12	Damian Silvestre	NF	no factor TF: 64-65
2010-04-03	Jimmy Brüggemann	NF	no factor TF: 63-64
2010-04-03	Jimmy Brüggemann	NF	no factor TF: 62-63