642 222 233 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
58155434295827995544801	23	75.6	2025-03-08 13:04:11

History

Date	User	Type	Result
2025-03-08	NStorm	F	Factor: 58155434295827995544801 / TF: 75-76
2024-02-23	SRBase	NF	no factor TF: 74-75
2022-09-30	SRBase	NF	no factor TF: 73-74
2021-05-01	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
2018-09-21	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2017-04-30	sasaki	NF	no factor TF: 68-69
2017-01-17	sasaki	NF	no factor TF: 67-68
2014-06-05	sasaki	NF	no factor TF: 66-67
2014-03-22	america64	NF	no factor TF: 65-66