57 467 503 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
1311195928394334352860782568361	31	100.0	2012-09-05 01:47:44

P-1 factors

Date	Factor	B1	B2
2012-09-05	1311195928394334352860782568361	535000	0

History

Date	User	Type	Result
2022-06-27	LordJulius	NF	no factor from 2^60 to 2^63
2012-09-05	jimmychau	F-PM1	Factor: 1311195928394334352860782568361
2012-08-29	Chuck	NF	no factor from 2^72 to 2^73
2011-11-11	Xyzzy	NF	no factor from 2^71 to 2^72
2011-10-21	Xyzzy	NF	no factor from 2^70 to 2^71
2011-06-17	David Campeau	NF	no factor from 2^69 to 2^70
2011-04-26	-Anonymous-	NF	no factor from 2^68 to 2^69
2009-05-31	Avernon	NF	no factor from 2^67 to 2^68
2009-01-10	-Anonymous-	NF	no factor from 2^66 to 2^67
2009-01-10	Sturle Sunde	NF	no factor from 2^65 to 2^66
2009-01-10	Sturle Sunde	NF	no factor from 2^64 to 2^65
2009-01-09	Sturle Sunde	NF	no factor from 2^63 to 2^64