172 908 161 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
7340803025750609654177	22	72.6	2019-03-19 04:28:07

History

Date	User	Type	Result
2019-03-19	Smok_bmv	F	Factor: 7340803025750609654177 / TF: 72-73*
2019-03-11	Smok_bmv	NF	no factor from 2^71 to 2^72
2018-09-07	Zenghui	NF	no factor from 2^70 to 2^71
2017-10-02	rubikvn2100	NF	no factor from 2^68 to 2^69
2017-05-15	Yxinity	NF	no factor from 2^69 to 2^70
2017-05-15	Yxinity	NF	no factor from 2^68 to 2^69
2016-06-07	Mr-Plonk	NF	no factor from 2^67 to 2^68
2015-06-23	subgenius	NF	no factor from 2^66 to 2^67
2013-04-08	Gordon Spence	NF	no factor from 2^65 to 2^66
2011-03-01	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-07-17	Richard	NF	no factor from 2^63 to 2^64