Factor Info

ID 172872
Size 532 digits / 1767 bits
Status composite
Value 5163409041558975972649771595733634066326545868780101457843827896222538017219382386295386151148611301056637038089943279798203500387744004646686522435255880753117025862467832300145926655468863224376003247384428235332496065480462640680415306217301812741178608594798276529146917505071947681162442706985186794893166042892201557530698632779632515414046040437905435217490763384770276669008080897152859914315224722062035373686040621081608190400048880298709064691948016010925413392767753510545495957682717460987232843683771470951112790208399

Factorizations

Primary (ID: 171577) 630395198722647305072823734110631 (proven prime)
(ID: 172873) 8190749314115100626571420548669906422773985816915432527271222114816806342675374048431824297572792750924664751614207220246719865125994782180217379820671763762250570335822259451565989294731539643608176013101142241596341220311664781682254083318621082521373039786776570553166183244083644949723036637505036039850351630647640044159300688671170119711788619190053398971334992989725535362802461165905114295766082852198851451558982294169987636453940367885198580783399865629539568501858461683467564289985927129 (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.