517 999 931 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
39253477919625583216937	23	75.1	2025-03-23 14:27:43

History

Date	User	Type	Result
2025-03-23	NStorm	F	Factor: 39253477919625583216937 / TF: 75-76
2022-12-13	lycorn	NF	no factor TF: 74-75
2022-07-20	SRBase	NF	no factor TF: 73-74
2021-03-18	SRBase	NF	no factor TF: 72-73
2020-08-25	SRBase	NF	no factor TF: 71-72
2019-05-20	sasaki	NF	no factor TF: 70-71
2018-10-26	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2017-06-05	sasaki	NF	no factor TF: 68-69
2016-09-28	sasaki	NF	no factor TF: 67-68
2014-12-23	abc	NF	no factor TF: 66-67
2014-03-24	pdazzl	NF	no factor TF: 65-66
2011-12-29	Richard	NF	no factor TF: 64-65
2010-03-16	Architects Cubed	NF	no factor TF: 63-64