Factor Info

ID 193157
Size 648 digits / 2153 bits
Status composite
Value 863069402815831597151119915985267482433092409003139471479576379658302300359638086000664408004541469515760902114877768843750879165680433660199449736571312773922527472206754031687491896152890647580973566796403447989991037045333237835013478625027871786088133509797568415443199076696090029176936338126832298071459088961398536747263947605583472595630802158593401939062221994827612753412200554442123487493201771343134452487205065124928184435614663437000445786924650144906923188454498649116246277889286815602690143498517740152416049910483696418440586204068742937329892880124732969594584024135678760904463911952636654350038926108423649683564415196385906139

Factorizations

Primary (ID: 192258) 1444429928992640471577413998514109872855551187821792019351238291216783353281446243182458096013682692531837350034880336407891644988223673710100321070710489971604051549984753499 (proven prime)
(ID: 193158) 597515591093951245679785499151308253995829503506385322069163914638504682133681949930112520127532419503197652851163004614337983679059258981886940631852924021678044356463483347750097259086084138576635967602001150819413387209538726421077564033252064949900356202288029164510462883704685146249886452104365306787429296181248754245247542737174977410861138668388535143388573764747778051383540644074396067818221312214325771680008264363844199401387904013633892777661290910287484607361 (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.