Factor Info

ID 21456
Size 477 digits / 1582 bits
Status composite
Value 144473043310181980280708973444113749365217415551275669653480190392435058620381088595892103993722871652033755615873409842811156410469474374610674098426591998941461916042083479852893309382136321339711130256363060597313386510332053136155133310003860502937265394685587362687642239768066791465965154877465060339739910906048705803659238823540588505145163589328177306237687057383992306791492133769065932923574766782314804213477496749186782778051449086926471955531147483162371052672869

Factorizations

Primary (ID: 6672) 172827552198815888791 (proven prime)
(ID: 21457) 835937565926897524632922442545743273217888511275977679090188482428090280644192852449985972150258708307677106501485193894751301139516965030285897953975735098002474342083767146191691526351941498704711638355840629844917121558058145265266596213969944532301859265674389715829509929116584681374714848657554230645488824281811476270943581456440082132658584490548255077948264783542898641156506750446299622416699343368880309668260913699640777516605800720571451036259 (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.