645 888 863 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
42334083544946085626137	23	75.2	2025-03-13 20:19:13

History

Date	User	Type	Result
2025-03-13	NStorm	F	Factor: 42334083544946085626137 / TF: 75-76
2024-02-24	SRBase	NF	no factor TF: 74-75
2022-10-04	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
2020-06-04	SRBase	NF	no factor TF: 70-71
2018-09-16	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2017-09-25	sasaki	NF	no factor TF: 68-69
2017-01-22	sasaki	NF	no factor TF: 67-68
2014-06-14	sasaki	NF	no factor TF: 66-67
2014-03-19	america64	NF	no factor TF: 65-66