551 443 777 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
52285517111852136674543	23	75.5	2025-03-25 16:53:07

History

Date	User	Type	Result
2025-03-25	NStorm	F	Factor: 52285517111852136674543 / TF: 75-76
2024-01-20	SRBase	NF	no factor TF: 74-75
2022-08-13	SRBase	NF	no factor TF: 73-74
2021-03-29	SRBase	NF	no factor TF: 72-73
2020-09-01	SRBase	NF	no factor TF: 71-72
2019-11-05	sasaki	NF	no factor TF: 70-71
2018-11-02	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-02-22	sasaki	NF	no factor TF: 68-69
2016-05-25	Bruno Victal	NF	no factor TF: 67-68
2015-11-30	sasaki	NF	no factor TF: 66-67
2014-08-08	sasaki	NF	no factor TF: 65-66
2011-07-24	Architects Cubed	NF	no factor TF: 64-65