559 555 441 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
61838965625493210400031	23	75.7	2025-03-23 21:07:08

History

Date	User	Type	Result
2025-03-23	NStorm	F	Factor: 61838965625493210400031 / TF: 75-76
2024-01-23	SRBase	NF	no factor TF: 74-75
2022-08-18	SRBase	NF	no factor TF: 73-74
2021-03-31	SRBase	NF	no factor TF: 72-73
2020-09-03	SRBase	NF	no factor TF: 71-72
2020-01-08	sasaki	NF	no factor TF: 70-71
2018-10-29	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-04-01	sasaki	NF	no factor TF: 68-69
2016-11-22	sasaki	NF	no factor TF: 67-68
2015-12-24	sasaki	NF	no factor TF: 66-67
2014-10-10	sasaki	NF	no factor TF: 65-66
2011-09-25	Architects Cubed	NF	no factor TF: 64-65