Factor Info

ID 191515
Size 621 digits / 2061 bits
Status composite
Value 254037532487289031909122630783301842656747669227868885780734651857144391547525794698812448635818820302599525791997890141327197941209600222176404186697414883808001373970973573066000107818562909983829181692024814346529675225264980734223625831428122762351960519016446743473045057050391057609325372623602531385801720795705966124088505225992422195582204278526586987332000233264417775895863194303840233220690308694525037286590774036226286262109100445861648614231631732286806695148449036325266317215104488639917805724289999363245370980551363251388166029478255599259436477393716923218313386675178129904460009215831906720139789871

Factorizations

Primary (ID: 10341) 385606580062688087218266143 (proven prime)
(ID: 191516) 658799786160262445352807554092482117905341151392293836754301009271034525871219458460479965995420981218224682818360521771918584814720363822033690195905710324974187904690162768060241367396449097099870915821217994690179235359486234698574839658434162426850422552281276595914709165305155921272155807622428736797817463507045867548260458082459171383438202801990991123953628083907226378848748832053032484706636053076270366090187003244451834625717523343714902324558591828031721948396651831637738820119994673315749963849096280032494784567126132264281782782438273547734072691438394590233021219244841818097 (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.