Factor Info

ID 146359
Size 658 digits / 2183 bits
Status composite
Value 1287473519006085729214413956855424944358617128529875099582730518971832252579330462116650858392331011344685809392715847516818887106071443089604709714033880531927329561412062921267875976334830638667864961613557923425187493910160022976488561938442972040053188097248982279072427926214024817720018704152202281402466285343580530336270732051169254290891213482929910256911128685524963792084484814670676250169907628990676408037404643105903523945859849170228997732850521563613359476765003006735492274431694891756501580822167905956688042801275284494373890887113851868752480307571279758983015398512562528320636456835238642755608515399437328274883881799493681210244593193

Factorizations

Primary (ID: 12891) 4135411976177385910417311937 (proven prime)
(ID: 146360) 311328962246749647128022278058530935314936593748967222925499348508791977462498965876991005457021055323570776297944559143709864310584642689060710259246188475592835299115000669436934489822760892314358609558739712065563343371399982889880715038346644849485826587831755666922625672863584940122430412726951604471220388218873651294559608655481384783874684920872136003761932259118661315664051276446324435977810091663374749150308375754112261488331680787948393898374825925886727892244275268664973925757349554399507309913207801694371353857364664749392614795960210515182529516267726434523295398102855044049021046565500490328685342188267888489 (composite)

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.