596 244 449 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 2⁸³

Factored

Factor	Digits	Bits	Date
55718367108342027440521	23	75.6	2025-03-22 16:28:37

History

Date	User	Type	Result
2025-03-22	NStorm	F	Factor: 55718367108342027440521 / TF: 75-76
2024-02-11	SRBase	NF	no factor TF: 74-75
2022-09-11	SRBase	NF	no factor TF: 73-74
2021-04-13	SRBase	NF	no factor TF: 72-73
2020-09-12	SRBase	NF	no factor TF: 71-72
2020-04-21	sasaki	NF	no factor TF: 70-71
2018-02-13	Yxinity	NF	no factor TF: 69-70
2018-02-10	Ruzovej	NF	no factor TF: 68-69
2016-09-29	el grocco	NF	no factor TF: 67-68
2015-04-04	el grocco	NF	no factor TF: 66-67
2014-06-08	E.Lechner	NF	no factor TF: 65-66
2011-10-02	Architects Cubed	NF	no factor TF: 64-65