874 688 887 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
55807084211906513790263	23	75.6	2025-02-25 14:58:55

History

Date	User	Type	Result
2025-02-25	NStorm	F	Factor: 55807084211906513790263 / TF: 75-76
2024-06-25	SRBase	NF	no factor TF: 74-75
2022-12-09	SRBase	NF	no factor TF: 73-74
2021-06-17	SRBase	NF	no factor TF: 72-73
2020-10-14	SRBase	NF	no factor TF: 71-72
2019-06-19	srow7	NF	no factor TF: 70-71
2016-12-28	ramgeis	NF	no factor TF: 68-70
2015-07-16	sasaki	NF	no factor TF: 67-68
2015-03-26	sasaki	NF	no factor TF: 66-67
2013-06-07	america64	NF	no factor TF: 65-66
2010-10-24	Architects Cubed	NF	no factor TF: 64-65
2010-04-08	Architects Cubed	NF	no factor TF: 63-64