Factor Info

ID 91818
Size 641 digits / 2127 bits
Status composite
Value 15559305558075441866734333041265595433730608519869526437860432945695008627633298877512545477490086610241572196663596268024419397600826299138303139338398727038218974915251463049921670538654871487357423407860338721539731990039662786501168625311337542412770163693756337853769554550930111847686160194624961469303812995599575552192502628346891883710315289085245095345567588660751017977214780129461247550268643777299888681427223540971282913589749403783396599940344504580792197920890652008696695712743755870320854289181869162413569016634972047763645229557939367183880478459451167015408103988527638825417188825050409884421921516766530727075271227621

Factorizations

Primary (ID: 90480) 8781071541167532190447165168627849418010847864416034400475664116876899096758385632634619768999002913974745547629107250366596735192327130196017561982156901411474299349 (proven prime)
(ID: 91819) 1771914223125287847560843212745832367987924682712207442921264598390317838695203295700799683788086330246045177500655232125223753007269189489842650282133031855464805626602814528284669514617598637465711949163640210136434627753975945641834075063566750758131159382887735623178701804506934179413099895420934842083331741748236026216141005032037157374575550132973058806396615249380642508229683314110794938413017956393453466995063141224991597119822898898180001210663946699443079928529 (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.