137 869 933 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
4072668728186244004271	22	71.8	2016-11-30 15:56:04

History

Date	User	Type	Result
2016-11-30	Conductor	F	Factor: 4072668728186244004271 / TF: 71-72
2016-11-19	proxy2222	NF	no factor from 2^70 to 2^71
2016-11-12	proxy2222	NF	no factor from 2^69 to 2^70
2016-05-19	Choi4KANG	NF	no factor from 2^68 to 2^69
2016-03-02	dbaugh	NF	no factor from 2^67 to 2^68
2015-02-05	vwflat4	NF	no factor from 2^66 to 2^67
2012-11-14	EratosthenesNG	NF	no factor from 2^65 to 2^66
2010-12-03	Richard	NF	no factor from 2^64 to 2^65
2010-06-14	OS1	NF	no factor from 2^63 to 2^64