Factor Info

ID 164421
Size 528 digits / 1754 bits
Status composite
Value 560385734036065709383252952123420553870689893037404920402687891419149045011681398964902869994497124628894217759331778013565680015989719402981336326325655116770267167546099052449019818252298829732252432787954544363352574329470224843833907573675024087106595059408329803103075856243715719242756603287266519231691519462120684774240988964727489184751193196081433956976681144581046320881567010166957407470460660723127625591834386990516106340786887396831644272464815715829828745073740545071195286050987848320456894854076862513047740483

Factorizations

Primary (ID: 163554) 1572643955598691288699472498569207 (proven prime)
(ID: 196100) 356333505776094083293864349720473214734980998605398207586018330862358244271500284803549695675676499062699297852560780268776541276841204541794272958983698498486905461158902755324451872239230524630467519688591888210338624124678305473202769872569022343678975624714788326525969133877907212837477945456359329236692807193437049945036427881832487464905986095184809655644334786648880641765873097807409170243957157050711772467287766353332568513259732572136189564223228698603789773325645462629297600763669 (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.