969 661 579 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
38726634429378613524721	23	75.0	2025-02-08 18:42:36

History

Date	User	Type	Result
2025-06-12	Greg	F	Factor: 38726634429378613524721 / TF: 75-76
2025-02-08	Dmitry Bolshakov	F	Factor: 38726634429378613524721 / TF: 75-76*
2024-04-07	JacobZ	NF	no factor TF: 74-75
2022-09-28	lycorn	NF	no factor TF: 73-74
2021-06-30	SRBase	NF	no factor TF: 72-73
2020-10-18	SRBase	NF	no factor TF: 71-72
2018-11-09	Niels_Mache_Nextcloud	NF	no factor TF: 70-71
2017-06-06	Yxinity	NF	no factor TF: 69-70
2017-04-29	Mark Rose	NF	no factor TF: 68-69
2016-02-28	ANONYMOUS	NF	no factor TF: 67-68
2015-03-14	E.Lechner	NF	no factor TF: 66-67
2012-07-26	linded	NF	no factor TF: 65-66
2010-09-27	HBendtz	NF	no factor TF: 64-65
2010-04-20	linded	NF	no factor TF: 63-64