817 785 557 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
70993072531259119021657	23	75.9	2025-02-28 17:26:59

History

Date	User	Type	Result
2025-02-28	NStorm	F	Factor: 70993072531259119021657 / TF: 75-76
2024-04-06	SRBase	NF	no factor TF: 74-75
2022-11-25	SRBase	NF	no factor TF: 73-74
2021-06-02	SRBase	NF	no factor TF: 72-73
2020-10-10	SRBase	NF	no factor TF: 71-72
2019-12-28	ATH	NF	no factor TF: 70-71
2017-02-08	ramgeis	NF	no factor TF: 68-70
2015-07-07	sasaki	NF	no factor TF: 67-68
2014-12-26	sasaki	NF	no factor TF: 66-67
2012-03-03	sasaki3	NF	no factor TF: 65-66
2012-03-03	sasaki3	NF	no factor TF: 64-65
2010-03-30	Architects Cubed	NF	no factor TF: 63-64