Factor Info

ID 78180
Size 548 digits / 1821 bits
Status composite
Value 81991543016921989594728199959595779165343597191092304210536826994668000826429218582190937276593876586423941248937803233038899740416741609935580995169717661932187368876529605935183116453013701475484538398318019453521564232425277941745174518694082783090599691830266382544018470799515361212352052887611887383940167380482252267430852482379120061318706619286015534358292831473684906556655243586312806674645027101023045726500257082757362672707764027652272378672996770348493290996291007901005305224347597235150707364970875523473929360792556000815955739941

Factorizations

Primary (ID: 76202) 8237086088790223599801198579328911543694047788281664395581844080961 (proven prime)
(ID: 78181) 9953949993129675227805650212620617298136024006305194314526087531659547181626090928471172516141822701519182391062788068703366304799166177730380771951061535332823970976606946073057836344521378075718571022175203170146406490900174155835862590349003444158278444688670380747296722714915365106230479667426149601535493478595822653268725131771254547507620386413051794242233759036177248670877415105991437602022595763426171600322725785828832474685741988091438005849384554500902334916616126181 (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.