840 788 833 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
51911629209483269582849	23	75.5	2025-02-28 09:11:11

History

Date	User	Type	Result
2025-02-28	NStorm	F	Factor: 51911629209483269582849 / TF: 75-76
2024-06-13	SRBase	NF	no factor TF: 74-75
2022-12-03	SRBase	NF	no factor TF: 73-74
2021-06-09	SRBase	NF	no factor TF: 72-73
2020-10-13	SRBase	NF	no factor TF: 71-72
2019-08-27	srow7	NF	no factor TF: 70-71
2016-12-28	ramgeis	NF	no factor TF: 68-70
2015-11-09	sasaki	NF	no factor TF: 67-68
2015-02-05	sasaki	NF	no factor TF: 66-67
2013-09-04	america64	NF	no factor TF: 65-66
2010-10-07	Architects Cubed	NF	no factor TF: 64-65
2010-04-02	Architects Cubed	NF	no factor TF: 63-64