Factor Info

ID 172566
Size 476 digits / 1579 bits
Status composite
Value 16959343997327628387035538020755349612566034437782786348164561266481404101095326436877624533756054839130442836384616537495693303079492825986252379810406472070743585895580431412371744622467703955273195226268736476843413974899423563703013916650557125927276743727352138499146687733611794599081603522745187005585781517326939661556612561621419010376543302918043637465119655851187666517413797496151113811382125131101275599638657208071526458958990964129682481627522589251183656402971

Factorizations

Primary (ID: 171514) 13939007628000832943778073428641476733118046798548142880843617331913282180519841837853622665238391 (proven prime)
(ID: 172567) 1216682309812321953560788153943270089486107686475135861750886806963368304722104269091490517976526442926024392658301481908990784666493635491208513182593558507160801899432872322458905679798809661199985698063606524794529936306671952235783102349667563269555633026821237120772411343761193041053231846797899908013947120894057440103615491935164254374838862830658741407981304992753536381 (proven prime)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.