Factor Info

ID 71720
Size 499 digits / 1656 bits
Status composite
Value 1728503416465805857240428497288991286911334056701053378572680293462097531117238160840735405823843550190586016944619538123483805932857248049404086705351708023660901722753756763971799633258579185313749036954805228429887404248168125338461060527261631233198191045330419154555179692251252625588850391823027660969644396437063565458002238093988435819812129064113348970970616546278029719035776997342254368809357109892754805752903119092510250110953566350245622457773888100942807628908815602147185581929485221

Factorizations

Primary (ID: 72493) 5824150755268660571603114951 (proven prime)
(ID: 99000) 296782052714236828046645547047884463295815562663576347426206087187658717310625439898121022397567979938500563251241994538104253622179129494176290248676989562693217345055992857672984695611375561157627271253789339475896275870415398456493798204933214054444290565831345416595477138553111628088972694655776383238143682716250795166063866757360152213989211248605513851810999625192688521089957777721015407837860076137565285758353512795760189892944907234642114766745721642045758771 (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.