880 866 661 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
70068639949595836085623	23	75.9	2025-02-20 03:08:21

History

Date	User	Type	Result
2025-02-20	NStorm	F	Factor: 70068639949595836085623 / TF: 75-76
2024-06-25	SRBase	NF	no factor TF: 74-75
2022-12-12	SRBase	NF	no factor TF: 73-74
2021-06-19	SRBase	NF	no factor TF: 72-73
2020-10-15	SRBase	NF	no factor TF: 71-72
2019-06-17	srow7	NF	no factor TF: 70-71
2016-08-26	ramgeis	NF	no factor TF: 68-70
2015-10-05	sasaki	NF	no factor TF: 67-68
2015-04-13	sasaki	NF	no factor TF: 66-67
2013-07-31	america64	NF	no factor TF: 65-66
2010-10-13	Architects Cubed	NF	no factor TF: 64-65
2010-04-15	Architects Cubed	NF	no factor TF: 63-64