958 223 183 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
3965641868731856241977	22	71.7	2019-06-13 11:22:04

History

Date	User	Type	Result
2019-06-13	Smok_bmv	F	Factor: 3965641868731856241977 / TF: 71-72*
2018-11-04	Niels_Mache_Nextcloud	NF	no factor from 2^70 to 2^71
2017-02-25	ramgeis	NF	no factor from 2^68 to 2^70
2016-05-05	HBendtz	NF	no factor from 2^67 to 2^68
2012-11-20	linded	NF	no factor from 2^66 to 2^67
2012-11-20	linded	NF	no factor from 2^65 to 2^66
2011-03-16	linded	NF	no factor from 2^64 to 2^65
2010-05-27	HBendtz	NF	no factor from 2^63 to 2^64