837 888 487 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 2⁸⁴

Factored

Factor	Digits	Bits	Date
66725465554174493883457	23	75.8	2025-03-01 02:27:01

History

Date	User	Type	Result
2025-03-01	NStorm	F	Factor: 66725465554174493883457 / TF: 75-76
2024-06-12	SRBase	NF	no factor TF: 74-75
2022-12-01	SRBase	NF	no factor TF: 73-74
2021-01-07	lycorn	NF	no factor TF: 72-73
2020-10-13	SRBase	NF	no factor TF: 71-72
2019-11-06	srow7	NF	no factor TF: 70-71
2016-10-19	ramgeis	NF	no factor TF: 68-70
2015-08-10	sasaki	NF	no factor TF: 67-68
2015-01-22	sasaki	NF	no factor TF: 66-67
2012-03-30	tsc	NF	no factor TF: 65-66
2012-03-30	tsc	NF	no factor TF: 64-65
2010-04-02	Architects Cubed	NF	no factor TF: 63-64