57 253 873 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
51447720011520184738772839	26	85.4	2012-07-16 08:02:54

P-1 factors

Date	Factor	B1	B2
2012-07-16	51447720011520184738772839	560000	0

History

Date	User	Type	Result
2022-06-27	LordJulius	NF	no factor from 2^60 to 2^63
2012-07-16	josibo	F-PM1	Factor: 51447720011520184738772839
2012-06-09	bcp19	NF	no factor from 2^71 to 2^72
2011-06-18	shauge	NF	no factor from 2^70 to 2^71
2011-06-18	shauge	NF	no factor from 2^69 to 2^70
2011-04-24	-Anonymous-	NF	no factor from 2^68 to 2^69
2009-06-01	sannerud.com	NF	no factor from 2^67 to 2^68
2008-10-13	Sturle Sunde	NF	no factor from 2^66 to 2^67
2008-09-23	Sturle Sunde	NF	no factor from 2^65 to 2^66
2008-09-21	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-09-21	Sturle Sunde	NF	no factor from 2^63 to 2^64