636 663 113 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
39438425145592157572631	23	75.1	2025-03-18 03:01:42

History

Date	User	Type	Result
2025-03-18	NStorm	F	Factor: 39438425145592157572631 / TF: 75-76
2024-02-22	SRBase	NF	no factor TF: 74-75
2022-09-27	SRBase	NF	no factor TF: 73-74
2021-04-23	SRBase	NF	no factor TF: 72-73
2020-09-18	SRBase	NF	no factor TF: 71-72
2020-06-03	SRBase	NF	no factor TF: 70-71
2018-09-16	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2017-04-26	sasaki	NF	no factor TF: 68-69
2017-01-22	sasaki	NF	no factor TF: 67-68
2014-05-18	sasaki	NF	no factor TF: 66-67
2014-03-25	america64	NF	no factor TF: 65-66