58 907 483 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
21895977518918366260489	23	74.2	2012-08-20 17:58:58

P-1 factors

Date	Factor	B1	B2
2012-08-20	21895977518918366260489	545000	0

History

Date	User	Type	Result
2022-06-27	LordJulius	NF	no factor from 2^60 to 2^63
2012-08-20	Jwb52z	F-PM1	Factor: 21895977518918366260489
2012-07-23	BigBrother	NF	no factor from 2^72 to 2^73
2012-07-23	BigBrother	NF	no factor from 2^71 to 2^72
2011-10-31	rlake	NF	no factor from 2^70 to 2^71
2011-07-19	trif	NF	no factor from 2^69 to 2^70
2009-08-09	unconnected	NF	no factor from 2^68 to 2^69
2009-01-21	flogger	NF	no factor from 2^67 to 2^68
2009-01-20	flogger	NF	no factor from 2^66 to 2^67
2009-01-19	flogger	NF	no factor from 2^65 to 2^66
2009-01-18	WorknPlay	NF	no factor from 2^64 to 2^65
2009-01-17	oodaira	NF	no factor from 2^63 to 2^64