Factor Info

ID 154122
Size 782 digits / 2598 bits
Status composite
Value 99881892741638209962820817692416473726862935846421156008479621443806654384876281053738185074632379146646326875426555427223663451877320740340332645645108305897031705892392357756117847110713092050015893211789255167719643797953657507697346471705339102134786368051284702652500918199439376981197358435424783784081622777276556316307272125510990212151813008390938745557023219846680000283481881842061450490728954306551586309541441053895153719417036203825011521826710344464692516778976701060234698036432860700297662260069776026944769467079760114574240055917752748657886401827553981839543715113781472656865482977238026495038105516822619501856483342754108294804495329257744836488913309488273587857211184916096330723998523788259630197252718928300415601758095110178111565893108115307755153833613

Factorizations

Primary (ID: 152436) 72828751550897627671 (proven prime)
(ID: 154123) 1371462377352906132347031910857411775980901291460617463265370710615096787540019786964191826709485801653012896411255226451634322499531610181657922266098035539023531208586582393820513842856041370892204519847431579822451597601576347310487629924782624905659169373416936840626731076666842934293105808009590371541682716465645235684467278789859960984268215335025596766343548679105730317805799030947899604305178210382178487574474124816813176192747147137345144467877685393507654268258999241883120860969235566522001330885676378205647813448633931838175252937591771027326912787804464949093400682331559613847512044455228958396573116639198350789063174320311145102520811069485180878671540366493319622256428752231050606528705897862368760150887921949871959157539640190788388388603 (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.