399 982 333 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 2⁸¹

Factored

Factor	Digits	Bits	Date
59560955811423856908889	23	75.7	2025-02-27 20:54:33

History

Date	User	Type	Result
2025-02-27	NStorm	F	Factor: 59560955811423856908889 / TF: 75-76
2023-11-14	SRBase	NF	no factor TF: 74-75
2022-05-20	SRBase	NF	no factor TF: 73-74
2021-02-03	SRBase	NF	no factor TF: 72-73
2020-08-05	SRBase	NF	no factor TF: 71-72
2020-05-25	SRBase	NF	no factor TF: 70-71
2018-07-09	Yxinity	NF	no factor TF: 68-70
2016-09-21	Alex_soldier	NF	no factor TF: 67-68
2016-04-09	Derek	NF	no factor TF: 66-67
2014-06-07	Massimo Cappelli (ik5pwa)	NF	no factor TF: 65-66
2010-05-11	Architects Cubed	NF	no factor TF: 64-65