253 997 999 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
52402217502273465044633	23	75.5	2025-01-29 23:41:49

History

Date	User	Type	Result
2025-01-29	NStorm	F	Factor: 52402217502273465044633 / TF: 75-76
2022-03-11	Will Edgington	NF	no factor TF: 74-75
2022-02-11	SRBase	NF	no factor TF: 73-74
2020-12-02	SRBase	NF	no factor TF: 72-73
2020-06-30	SRBase	NF	no factor TF: 71-72
2020-05-11	SRBase	NF	no factor TF: 70-71
2018-02-07	Yxinity	NF	no factor TF: 69-70
2018-02-07	Yxinity	NF	no factor TF: 68-69
2015-06-17	caddr	NF	no factor TF: 66-68
2013-11-10	KayJongsma	NF	no factor TF: 65-66
2011-07-31	tsc	NF	no factor TF: 64-65
2010-03-06	linded	NF	no factor TF: 63-64
2010-03-06	linded	NF	no factor TF: 62-63