520 442 227 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
57661054229063209401089	23	75.6	2025-03-24 07:24:55

History

Date	User	Type	Result
2025-03-24	NStorm	F	Factor: 57661054229063209401089 / TF: 75-76
2024-01-10	SRBase	NF	no factor TF: 74-75
2022-07-24	SRBase	NF	no factor TF: 73-74
2021-03-18	SRBase	NF	no factor TF: 72-73
2020-08-26	SRBase	NF	no factor TF: 71-72
2019-05-13	sasaki	NF	no factor TF: 70-71
2018-10-18	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2017-06-04	sasaki	NF	no factor TF: 68-69
2016-08-18	sasaki	NF	no factor TF: 67-68
2015-07-20	Maurizio FD - Italy	NF	no factor TF: 66-67
2013-02-18	abc	NF	no factor TF: 1-66
2011-02-25	abc	NF	no factor TF: 1-65
2010-03-16	Architects Cubed	NF	no factor TF: 63-64