345 449 999 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 2⁸¹

Factored

Factor	Digits	Bits	Date
38485471873633513280417	23	75.0	2025-02-11 00:59:49

History

Date	User	Type	Result
2025-02-11	NStorm	F	Factor: 38485471873633513280417 / TF: 75-76
2023-10-03	SRBase	NF	no factor TF: 74-75
2022-04-07	SRBase	NF	no factor TF: 73-74
2021-01-14	SRBase	NF	no factor TF: 72-73
2016-09-10	Jacques MOLNE	NF	no factor TF: 71-72
2016-09-10	Jacques MOLNE	NF	no factor TF: 70-71
2016-05-27	Jacques MOLNE	NF	no factor TF: 69-70
2016-05-27	Jacques MOLNE	NF	no factor TF: 67-69
2016-03-12	Richard	NF	no factor TF: 66-67
2014-02-21	tsc	NF	no factor TF: 65-66
2011-02-04	Architects Cubed	NF	no factor TF: 64-65