Factor Info

ID 145520
Size 506 digits / 1679 bits
Status composite
Value 20562599540533306889385271457988450158271495907663430676106960398179822931227068645906399245916524447348980276023093447535953822686338771293310370620446447589378654632911764781099634916651261560483034573009474409844632805495576518856061769157302507633180327917867035741437373186751599308538748302818077365170358180235653115677465387021965426814140777046924349990939170051611660782420369943744808752503554486026311881421128834969437612570488800612757265868860615529955477506414959163618666570849540936184039

Factorizations

Primary (ID: 11617) 2011339669987253732917345076957200061377270925662226533 (proven prime)
(ID: 181366) 10223335146899188961774488205856539809577011329110561719372433974546316108568581418614646489149738330833762880874755933710428755892300846716288750070465662438371399987505148061786474953271777007339847126021211382500136906309048606047428379738121754109830180435578948777110257721199723675248117375932956610429701062424753594876226478469876671480780992481070879185251343030451735705368305009985379639527313741184819798379013575964951949183721549408014683 (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.