Factor Info

ID 197663
Size 680 digits / 2257 bits
Status composite
Value 15832904285501469073400438231181039768255367852919898480889913168688941170654261414587930729068396186907100720351811248455080124580248068155048026939515041508581826730968436907496911809252222078785993287508082618627981965158304584078958358898050766620449199050420726206276239537983804306014358047173317263542374012869902622468373424240396388661760953855122196299410317031736560260311266763610531226514360397910268829054235968310261877305625085810743150626881660019374671511459731355002364316846553531751116820113063670841385621940039916007675796502653912816237568443937658630001232485250901848255693629957879180699891648731132986957539892863003929402779082987951414969814021392363

Factorizations

Primary (ID: 17383) 26411543817830547235357966561 (proven prime)
(ID: 197666) 599469095585870563477597748751249174575601647099971699581345572689401697126894152081692404321417527766084349386913189628011596167563648841491773421215893049510943405647174217442600649420675794198109850135608507357347365037480626424204694528269159244686091794602647025043881982304359306543800214288756895384197242635624004996307934440465947388436052516851408538129651426451672192084405478965523276213297786623978584121345732518653014443273083288796511891492102526249468446335678557683971910815490621515533384827948545860297217195645199506100376045823467193029513937508713241290203737982344249368267653498220691863259027651333847917474975106741322679883 (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.