456 666 887 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
66144865748377942728793	23	75.8	2025-03-05 18:11:13

History

Date	User	Type	Result
2025-03-05	NStorm	F	Factor: 66144865748377942728793 / TF: 75-76
2023-12-12	SRBase	NF	no factor TF: 74-75
2022-06-05	SRBase	NF	no factor TF: 73-74
2021-02-24	SRBase	NF	no factor TF: 72-73
2020-08-17	SRBase	NF	no factor TF: 71-72
2020-05-29	SRBase	NF	no factor TF: 70-71
2018-12-27	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-02-09	sasaki	NF	no factor TF: 68-69
2016-04-25	sasaki	NF	no factor TF: 67-68
2016-03-07	sasaki	NF	no factor TF: 66-67
2014-09-15	tsc	NF	no factor TF: 65-66
2011-12-01	Candide	NF	no factor TF: 64-65
2010-03-27	Architects Cubed	NF	no factor TF: 63-64