448 444 471 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 2⁸²

Factored

Factor	Digits	Bits	Date
71164847541453961336193	23	75.9	2025-02-27 20:11:37

History

Date	User	Type	Result
2025-02-27	NStorm	F	Factor: 71164847541453961336193 / TF: 75-76
2023-12-10	SRBase	NF	no factor TF: 74-75
2022-06-03	SRBase	NF	no factor TF: 73-74
2021-02-18	SRBase	NF	no factor TF: 72-73
2020-08-14	SRBase	NF	no factor TF: 71-72
2020-05-29	SRBase	NF	no factor TF: 70-71
2019-02-16	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-02-02	sasaki	NF	no factor TF: 68-69
2016-02-09	sasaki	NF	no factor TF: 66-68
2014-09-04	fireredd	NF	no factor TF: 65-66
2011-11-25	carlos56	NF	no factor TF: 64-65
2010-03-23	Architects Cubed	NF	no factor TF: 63-64