Factor Info

ID 85375
Size 521 digits / 1729 bits
Status composite
Value 28371716843480500107294123188241813950333282550515530972272282591701670131767239724431906848749958109697324243812898950069142330875121146785901552584786177717415138847511310598128477030180104141045218807284271802969611042759026814639646895140934824925387872161985405361728892438914902334860169716434947941476574310219071169347583446525568544928584704899933829954366184027032683836136677679290179044250053233236834160980500947545899184587721965571771947814570318274274871327004051524968103531040914776882014208409226923207

Factorizations

Primary (ID: 59489) 71472830417465766173099456354984223218647 (proven prime)
(ID: 85376) 396958070329159977836840303292049137695354362430988321645290383471078128815189684361193827802371589419629425829831929002144423427667754421528876412277756334159432837894710565928843567381928563264453675621811684828906867004955759093946157870905535536471544552980230086650208422493921525597021076717609755217637983815685225506457413648361676433727792524985190011818332996669273586113485415023126426761504553580698467368839114286996791794818549116177067350214234895673534389895182481 (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.