Factor Info

ID 21087
Size 460 digits / 1527 bits
Status composite
Value 3919593766482859414733869706370521356050734576982079500876015462878823971049809000436269605471961944408351141749753922764014669430511199639020590946534151936804105680306104491985372299136331854494247229357351382528815664288507294349200808367656477077142267807143501834756062121397352928909887527313455075250626182147430609665075025794661092273325726432936326709098022799222429154398202906196530885499110010309438975804181733162204734229134368362444865430385881

Factorizations

Primary (ID: 29398) 18171303869303197838546263347135172669 (proven prime)
(ID: 29399) 215702395088127559327531341201208720513655878803512581129139344157831730390221260433362068215295666420713429545520360466910838358748322948358483015134581392171906776629278040075197430167059823661968992187649760969062015740801807915037358986162064658706658380150227070308410729603013623949070267831216972587649654207305623606582216592751193490801749400119463509096842031555857504723566870966157545120495097767167410478367949 (proven prime)

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.