190 142 417 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Bits	Date
253341991692327336744401	77.7	2023-01-21 23:28:10

History

Date	User	Type	Result
2023-03-16	Dobri	NF	no factor from 2^79 to 2^80
2023-03-13	Dobri	NF	no factor from 2^78 to 2^79
2023-03-08	Dobri	F	Factor: 253341991692327336744401 / TF: 77-78
2023-03-08	Dobri	NF	no factor from 2^76 to 2^77
2023-01-21	Kriesel	F	Factor: 253341991692327336744401 / TF: 77-78
2023-01-21	Kriesel	NF	no factor from 2^76 to 2^77
2023-01-09	Dobri	NF	no factor from 2^75 to 2^76
2023-01-09	Dobri	NF	no factor from 2^74 to 2^75
2020-03-19	S00030	NF	no factor from 2^73 to 2^74
2020-03-19	S00030	NF	no factor from 2^72 to 2^73
2020-02-11	proxy2222	NF	no factor from 2^71 to 2^72
2019-06-05	proxy2222	NF	no factor from 2^70 to 2^71
2018-11-14	Lilou11	NF	no factor from 2^69 to 2^70
2017-02-11	XZT	NF	no factor from 2^68 to 2^69
2016-05-05	XZT	NF	no factor from 2^67 to 2^68
2015-08-27	tsc	NF	no factor from 2^66 to 2^67
2013-06-05	subgenius	NF	no factor from 2^65 to 2^66
2011-04-09	dsl	NF	no factor from 2^64 to 2^65
2010-08-02	Mr-Plonk	NF	no factor from 2^63 to 2^64