58 158 493 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
13042698228268118751823081	26	83.4	2018-08-20 17:07:53

Status	Date	User	Residue	Shift
Verified (Factored)	2012-08-12	moscoso	C4B328C30A308514	54117651

P-1 factors

Date	Factor	B1	B2
2018-08-20	13042698228268118751823081	1000000	20000000

History

Date	User	Type	Result
2018-08-20	Sid & Andy	F-PM1	Factor: 13042698228268118751823081 / (P-1, B1=1000000, B2=20000000, E=6)
2018-07-31	penlu	NF	no factor from 2^73 to 2^74
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^63
2015-04-22	monst	NF	no factor from 2^72 to 2^73
2015-04-22	monst	NF	no factor from 2^71 to 2^72
2012-08-12	moscoso	C-LL	C4B328C30A308514
2012-01-31	moscoso	NF-PM1	B1=810000
2011-04-28	shauge	NF	no factor from 2^70 to 2^71
2011-04-28	shauge	NF	no factor from 2^69 to 2^70
2011-04-28	shauge	NF	no factor from 2^68 to 2^69
2009-08-02	Kegsy	NF	no factor from 2^67 to 2^68
2008-11-15	Sturle Sunde	NF	no factor from 2^66 to 2^67
2008-11-14	Sturle Sunde	NF	no factor from 2^65 to 2^66
2008-11-13	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-11-12	alfaro	NF	no factor from 2^63 to 2^64