Factor Info

ID 150235
Size 451 digits / 1496 bits
Status composite
Value 1686877556531242059424013384671752115345369579642145657340357670719030893903470089309746954665568271517501566779488860649867650178261344382040986369717108174681715255849909304027759536665422411095590467676202019197052119672772843217600081762085571375469525471805454909817317957310341534813368121899500274710067886453544502102397272780127080010834167286525689233879122038303852700046010147344016532239059943775656307536955706083172857197373591213333383

Factorizations

Primary (ID: 149849) 638712371513198542453 (proven prime)
(ID: 150236) 2641059781783769503473958288302521702285920938432255030604582478222865451116920555308005776508913641397158125894540702335048846188750809182956450004628969716528260095761523365732434736719126514968328272675887253484488458586583444814261794503971893678675817470005980292985392678039730832806305480622764493763969249191816695858618646123473298847846289246129678259481720582036435568191461566678675724256162387515678215446102706268811 (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.