Factor Info

ID 26398
Size 642 digits / 2131 bits
Status composite
Value 158421390466634959981535747677562262514819846415912005349646196799945340864259808211120033884421335381744889496398991898843034317178674338202750224547649498234297991176670120133194645785597636832551752123455266544619541791529379591084380204230480596922180990306073302023763787415233474583702789771857677382881298974856684940199856265842816052544549173241269004810095822858520330239017144396526845291209178550818982927518714252560856329288774021389175014309383114065193943856379834486450618464809385130334101818903616020845198685243350525188552678023481274479423497147491444767400716399560840306299002865573738495503415628116558278921297037441

Factorizations

Primary (ID: 12578) 83409037264696307690489614635052488166993297850365365503 (proven prime)
(ID: 37557) 1899331243494502792873086224674145830788677099393314470024183607234086261835492001128797754261182118336289575102335723033915744078496313756388922484653064922526564947624996703513846060724714660100092854455136190341893507400804733324710722679949806870034946716737853199638069720182207731342263920361383498180129078612394098181640362545554237836806467891699339961751663915346339852156521339100125619718111997065336621433676036695486886259219582570608722404316224105212583393152496436171886083190718712419911463516802204138335256279335320851440875599107936837458697087815712316431487019647 (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.