Factor Info

ID 21515
Size 390 digits / 1295 bits
Status composite
Value 613643358698128504174022863223199610796881786125191266584798436563432235201003701604359573443387209651616187527562229018941155512518321127052684653612998120795820684058591289625079190987611326316289031164101513536027192253868946900683892299105000860153108307730511055853945131490435744930237560488961404137627140556806183698521727965222099340322742313214033786046985918562696565902143439721

Factorizations

Primary (ID: 7467) 91029014606406186465761 (proven prime)
(ID: 21516) 6741184240556891856423171226364664759003433025062510971853444192557019442913222515295591867258446311065319460260341235408688517262095928743815215327249182747181941316952871773670567356070679237377956945304388000746531769036654670296965495055822001296919303813220599474461550953404401324251676550375087638917502217983458562505985832569064022935935340479653368941300361 (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.