Exponent Range:

to
Output results in text-only format
Show full details (current assignment, history, LL residues)
   Include full ECM history (every "no-factor ECM" result)
Get status

Mn	Status	Details
15547157	No factors below 272
	P-1	B1= 180 000 B2= 2 700 000
	LL	Status Date User Residue Shift Bad 2002-12-25 Xavier van Unen 78FEEDE1E276CAB2 4481410 Verified 2003-09-29 Arnualdas Dalinda A524C707B2FA7680 7978722 Verified 2006-04-14 Barry Hansen A524C707B2FA7680 4846174
	History	Date User Type Result 2021-09-17 -Anonymous- NF no factor from 2^71 to 2^72 2021-09-07 SRBase NF no factor from 2^70 to 2^71 2021-06-06 lycorn NF no factor from 2^69 to 2^70 2018-02-11 ramgeis NF no factor from 2^68 to 2^69 2018-02-11 ramgeis NF no factor from 2^67 to 2^68 2016-03-16 Mark Rose NF no factor from 2^65 to 2^66 2013-12-28 Nesowa NF no factor from 2^66 to 2^67 2006-04-14 barryh C-LL A524C707B2FA7680 2003-09-29 -Anonymous- C-LL A524C707B2FA7680 2002-12-25 -Anonymous- C-LL 78FEEDE1E276CAB2 2002-09-22 -Anonymous- NF-PM1 B1=180000, B2=2700000 2001-04-08 Jonathan Champ NF no factor to 2^65 2001-02-18 Net_Force NF no factor to 2^59 2001-01-21 Net_Force NF no factor to 2^58