283 249 333 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 2⁸⁰

Factored

Factor	Digits	Bits	Date
39595629184159909518673	23	75.1	2025-02-11 05:53:34

History

Date	User	Type	Result
2025-02-11	NStorm	F	Factor: 39595629184159909518673 / TF: 75-76
2023-08-04	SRBase	NF	no factor TF: 74-75
2022-03-12	SRBase	NF	no factor TF: 73-74
2020-12-21	SRBase	NF	no factor TF: 72-73
2020-07-13	SRBase	NF	no factor TF: 71-72
2020-05-08	SRBase	NF	no factor TF: 70-71
2019-09-05	proxy2222	NF	no factor TF: 69-70
2018-07-15	Chabot Prime	NF	no factor TF: 68-69
2016-11-16	Xolotl	NF	no factor TF: 67-68
2016-01-23	Leo Fool	NF	no factor TF: 66-67
2013-12-14	ANONYMOUS	NF	no factor TF: 65-66
2011-09-18	tsc	NF	no factor TF: 64-65