978 680 333 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
71464374663076372733857	23	75.9	2025-02-11 15:55:34

History

Date	User	Type	Result
2025-02-11	NStorm	F	Factor: 71464374663076372733857 / TF: 75-76
2023-05-11	srow7	NF	no factor TF: 74-75
2022-07-20	srow7	NF	no factor TF: 73-74
2021-07-03	SRBase	NF	no factor TF: 72-73
2020-10-19	SRBase	NF	no factor TF: 71-72
2018-05-04	NoPolarBearsHere	NF	no factor TF: 70-71
2017-05-21	Yxinity	NF	no factor TF: 69-70
2017-05-20	NoPolarBearsHere	NF	no factor TF: 69-70
2017-02-28	NoPolarBearsHere	NF	no factor TF: 68-69
2015-12-27	NoPolarBearsHere	NF	no factor TF: 67-68
2015-02-06	E.Lechner	NF	no factor TF: 66-67
2012-04-09	linded	NF	no factor TF: 65-66
2010-12-03	linded	NF	no factor TF: 64-65