420 444 419 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
56035385825108436185561	23	75.6	2025-03-01 06:45:06

History

Date	User	Type	Result
2025-03-01	NStorm	F	Factor: 56035385825108436185561 / TF: 75-76
2023-11-26	SRBase	NF	no factor TF: 74-75
2022-05-18	SRBase	NF	no factor TF: 73-74
2021-02-05	SRBase	NF	no factor TF: 72-73
2020-08-09	SRBase	NF	no factor TF: 71-72
2020-05-27	SRBase	NF	no factor TF: 70-71
2018-11-24	sasaki	NF	no factor TF: 69-70
2017-11-01	sasaki	NF	no factor TF: 68-69
2014-08-01	sasaki	NF	no factor TF: 67-68
2014-02-14	NR	NF	no factor TF: 66-67
2014-02-11	NR	NF	no factor TF: 65-66