664 666 967 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 2⁸⁴

Factored

Factor	Digits	Bits	Date
55002932185033746502087	23	75.5	2025-03-16 04:36:46

History

Date	User	Type	Result
2025-03-16	NStorm	F	Factor: 55002932185033746502087 / TF: 75-76
2024-03-02	SRBase	NF	no factor TF: 74-75
2022-10-12	SRBase	NF	no factor TF: 73-74
2021-05-02	SRBase	NF	no factor TF: 72-73
2012-09-02	america64	NF	no factor TF: 71-72
2012-04-17	america64	NF	no factor TF: 70-71
2011-12-07	lalera	NF	no factor TF: 68-70
2011-11-25	lalera	NF	no factor TF: 66-68
2011-07-15	lalera	NF	no factor TF: 65-66
2011-05-19	lalera	NF	no factor TF: 64-65
2010-06-22	Architects Cubed	NF	no factor TF: 63-64