241 398 263 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 2⁶⁸

TF target 2⁷⁹

Factored

Factor	Digits	Bits	Date
40855518134723289953	20	65.1	2018-03-31 11:40:00

History

Date	User	Type	Result
2018-03-31	TJAOI	F	Factor: 40855518134723289953
2016-09-24	XZT	NF	no factor TF: 67-68
2015-12-02	ANONYMOUS	NF	no factor TF: 66-67
2013-10-20	subgenius	NF	no factor TF: 65-66
2011-07-16	imps	NF	no factor TF: 64-65

Username
Password