Factor Info

ID 197374
Size 650 digits / 2157 bits
Status composite
Value 18519903021971908990155084998851933567684713410101090946698673236118086013617155868180772330383782391383492790653232344934793471039032112891773136651506287139242652743990433825936823712512507751340110904752044982398391425961985930726075022110673657126985059061573062467083085661159470504008293232911374767619672318363109548502564476895267178940909748402377903462058954791949019988310246878376486864773266766963338661596073135117038737028068796765791535358013884407701119753908401930300940582071737903824865411605336439892456226177168794607511662041643555413347985976970709257236724098863273304335500982913999823247499111652580063294455888776600901931

Factorizations

Primary (ID: 17316) 8055493508249652384493433270997013348405036420577773672004250553766097648343528303287450647156473025392055787528494962756820851 (proven prime)
(ID: 197375) 2299040152289319942443669127836200838085935668823966337066414232403633036152756438735867979436894993312987454673228047586152506030542258475445062324936620013228123095694422731875634999054249458903479017423229538756477545183595424050557132763943608242336276249032737918190856043930233493078280907326257201677352443638382670379375799937167480261034675389218628158187648567863456050493280519151916416396723254553676314597330652058374624928658400409661319111413326255159538635151152909513375175635786893619682029114148504863081 (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.