Factor Info

ID 153871
Size 865 digits / 2872 bits
Status composite
Value 2398328672316185503758367112924021681603846262710143020539045439918045779324439636256742671173303940171090465012915669643239064536732954757195730197050972103795222823923568130882855704507901607923524731965282302193476732043274100937308486334417975856641612636922431231319440619657632611237222636211417308348664200885863792406890319249890754812529839023884995887195141304971547634392062847525676825912512966925504110312334457282520318854886867481628747273992427858724167437990394191059452456650503110996617881776918809240090284885848649150811060450812444017057826106393073401192207808623167017097223365123617543642900683811667985881119419163445642110291158235511685907608203337170742059302751902584056541058070902920303422055653348908761787027558509409827165237364231032495782192012463588182609383318829434311434134746941443612537389028071632247733638488163763226251

Factorizations

Primary (ID: 152309) 1215577980758032711803601 (proven prime)
(ID: 153872) 1972994501611974849468602247325700659430367977967545192661202821432615631705742034441747725871444738848635163561270560672264448845022487379616840275773847637112440136674852556331114758622806152405235414585263286361275710208188195977799541696335311185922706848401502237025312614144651349754523675534111413202608666189364245593065920820702835476065267886095342042273194709944333053210884802312186157414423702921223245587183702441410421617789421007299729481963359207163152744904495122803137544222186102667200034629686087206837067000026736377694734585154050790880708636549746801290988516785214892247734080012192490307364849516488517118860518430225435021888497777549091329007598507929776649668623598002635830878742215217683354262520663500686547161621394288385130655059760590933908349276936021594928033912210658032284683748341971661581166803882651 (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.