643 488 883 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
55164651166301611097159	23	75.5	2025-03-14 09:46:46

History

Date	User	Type	Result
2025-03-14	NStorm	F	Factor: 55164651166301611097159 / TF: 75-76
2024-02-23	SRBase	NF	no factor TF: 74-75
2022-10-04	SRBase	NF	no factor TF: 73-74
2021-05-03	SRBase	NF	no factor TF: 72-73
2020-09-20	SRBase	NF	no factor TF: 71-72
2020-06-05	SRBase	NF	no factor TF: 70-71
2018-09-18	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2017-05-10	sasaki	NF	no factor TF: 68-69
2017-01-20	sasaki	NF	no factor TF: 67-68
2014-06-19	sasaki	NF	no factor TF: 66-67
2014-03-18	america64	NF	no factor TF: 65-66
2010-11-04	Architects Cubed	NF	no factor TF: 64-65
2010-08-03	Architects Cubed	NF	no factor TF: 63-64