917 555 777 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 2⁸⁵

Factored

Factor	Digits	Bits	Date
71679724645989479689031	23	75.9	2025-02-12 03:34:24

History

Date	User	Type	Result
2025-02-12	NStorm	F	Factor: 71679724645989479689031 / TF: 75-76
2024-07-04	SRBase	NF	no factor TF: 74-75
2024-05-31	James Heinrich	NF	no factor TF: 69-70
2022-12-15	SRBase	NF	no factor TF: 73-74
2021-06-24	SRBase	NF	no factor TF: 72-73
2020-11-07	srow7	NF	no factor TF: 71-72
2019-09-08	E.Lechner	NF	no factor TF: 70-71
2018-01-10	Conductor	NF	no factor TF: 69-70
2017-03-29	sasaki	NF	no factor TF: 68-69
2016-07-08	Alex_soldier	NF	no factor TF: 67-68
2015-10-23	Alex_soldier	NF	no factor TF: 66-67
2013-05-27	ramgeis	NF	no factor TF: 65-66
2011-09-23	linded	NF	no factor TF: 64-65
2010-06-21	linded	NF	no factor TF: 63-64