639 166 111 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
49374288723056295689839	23	75.4	2025-03-17 17:23:57

History

Date	User	Type	Result
2025-03-17	NStorm	F	Factor: 49374288723056295689839 / TF: 75-76
2024-02-22	SRBase	NF	no factor TF: 74-75
2022-09-30	SRBase	NF	no factor TF: 73-74
2021-04-24	SRBase	NF	no factor TF: 72-73
2020-09-20	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
2017-05-01	sasaki	NF	no factor TF: 68-69
2017-02-10	sasaki	NF	no factor TF: 67-68
2014-05-27	sasaki	NF	no factor TF: 65-67
2012-01-22	albin_pouilles	NF	no factor TF: 64-65
2010-07-31	Architects Cubed	NF	no factor TF: 63-64