591 222 253 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
47827647962851234495057	23	75.3	2025-03-22 22:01:50

History

Date	User	Type	Result
2025-03-22	NStorm	F	Factor: 47827647962851234495057 / TF: 75-76
2024-02-06	SRBase	NF	no factor TF: 74-75
2022-09-08	SRBase	NF	no factor TF: 73-74
2021-04-11	SRBase	NF	no factor TF: 72-73
2020-09-11	SRBase	NF	no factor TF: 71-72
2020-03-29	sasaki	NF	no factor TF: 70-71
2018-07-09	sasaki	NF	no factor TF: 69-70
2018-06-10	sasaki	NF	no factor TF: 68-69
2016-11-22	sasaki	NF	no factor TF: 67-68
2015-08-01	el grocco	NF	no factor TF: 66-67
2014-08-31	E.Lechner	NF	no factor TF: 65-66
2011-10-09	Architects Cubed	NF	no factor TF: 64-65