931 201 111 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 2⁸⁵

Factored

Factor	Digits	Bits	Date
55220801302682210542943	23	75.5	2025-02-11 23:45:29

History

Date	User	Type	Result
2025-02-11	NStorm	F	Factor: 55220801302682210542943 / TF: 75-76
2024-07-07	SRBase	NF	no factor TF: 74-75
2022-10-27	sasaki	NF	no factor TF: 73-74
2021-05-06	sasaki	NF	no factor TF: 72-73
2020-10-01	sasaki	NF	no factor TF: 71-72
2018-11-12	Niels_Mache_Nextcloud	NF	no factor TF: 70-71
2017-10-21	NoPolarBearsHere	NF	no factor TF: 69-70
2017-05-08	Mark Rose	NF	no factor TF: 68-69
2016-05-21	monst	NF	no factor TF: 67-68
2015-09-14	Bruno Victal	NF	no factor TF: 66-67
2013-05-01	america64	NF	no factor TF: 65-66
2011-09-22	linded	NF	no factor TF: 64-65
2011-06-27	Rob_Dee	NF	no factor TF: 64-65
2010-05-29	linded	NF	no factor TF: 63-64