63 637 621 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
4408692117584507947462212337	28	91.8	2013-10-13 15:15:22

History

Date	User	Type	Result
2022-03-30	LordJulius	NF	no factor from 2^1 to 2^63
2013-10-13	TheJudger	F-PM1	Factor: 4408692117584507947462212337
2013-10-09	A_Savchenko	NF	no factor from 2^73 to 2^74
2013-07-01	TheJudger	NF	no factor from 2^72 to 2^73
2013-07-01	TheJudger	NF	no factor from 2^71 to 2^72
2012-08-23	SWL551	NF	no factor from 2^70 to 2^71
2012-01-03	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-02-20	Peter_Simon	NF	no factor from 2^68 to 2^69
2009-12-12	korva	NF	no factor from 2^67 to 2^68
2009-12-09	Hatch	NF	no factor from 2^66 to 2^67
2009-03-01	Old Duffer	NF	no factor from 2^65 to 2^66
2009-02-28	-Anonymous-	NF	no factor from 2^64 to 2^65
2009-02-24	Wojciech Florek	NF	no factor from 2^63 to 2^64