844 444 541 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
66869132965487321696639	23	75.8	2025-02-19 11:40:59

History

Date	User	Type	Result
2025-02-19	NStorm	F	Factor: 66869132965487321696639 / TF: 75-76
2024-06-14	SRBase	NF	no factor TF: 74-75
2022-12-04	SRBase	NF	no factor TF: 73-74
2021-06-11	SRBase	NF	no factor TF: 72-73
2020-10-13	SRBase	NF	no factor TF: 71-72
2019-09-28	srow7	NF	no factor TF: 70-71
2017-01-08	ramgeis	NF	no factor TF: 68-70
2015-08-16	sasaki	NF	no factor TF: 67-68
2015-02-08	sasaki	NF	no factor TF: 66-67
2013-08-17	america64	NF	no factor TF: 65-66
2010-10-05	Architects Cubed	NF	no factor TF: 64-65
2010-04-02	Architects Cubed	NF	no factor TF: 63-64