505 555 577 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 2⁸²

Factored

Factor	Digits	Bits	Date
62260322545995328695839	23	75.7	2025-03-11 07:45:05

History

Date	User	Type	Result
2025-03-11	NStorm	F	Factor: 62260322545995328695839 / TF: 75-76
2024-01-04	SRBase	NF	no factor TF: 74-75
2022-07-17	SRBase	NF	no factor TF: 73-74
2021-03-22	SRBase	NF	no factor TF: 72-73
2020-08-17	sasaki	NF	no factor TF: 71-72
2019-02-24	Niels_Mache_Nextcloud	NF	no factor TF: 70-71
2018-08-22	sasaki	NF	no factor TF: 69-70
2017-12-18	sasaki	NF	no factor TF: 68-69
2016-05-23	sasaki	NF	no factor TF: 67-68
2015-01-29	sasaki	NF	no factor TF: 66-67
2014-11-01	tsc	NF	no factor TF: 65-66
2011-12-25	Lukin Dmitry	NF	no factor TF: 64-65
2010-07-02	Architects Cubed	NF	no factor TF: 63-64