Factor Info

ID 31442
Size 495 digits / 1643 bits
Status composite
Value 221980555867842623873778206297038086902026899644152543713009127546738862167446828152134597045138613881989846957936267939046876428746497410016150137370951178676363104084384351148836400737573612027271364468775364028702989064205705873577384489661905832628889429211604237056746263570011137542038134776032650211917376993872540847325733750947503778761035401585832543237479152967374628845854287923630981075438666102705776034079986046599559017346591329578494259803164537109919062240610208736156771617181

Factorizations

Primary (ID: 17236) 3673586540800931510375730400071935007467990878958458570282411761897012162305639685693749182381299754408271638230437 (proven prime)
(ID: 31443) 60426113119263945753413882140123797296625303462436990674053040246802596273721970791148462714395551666973192435186499694706662791997868109337695769683132464989452428029904683684885836954594279690519403381496970517744148752195477822861016491530541586482478923513090321039641858006549115247226352966181109996907940479128053489670567911159673261089846254064251794045719659997050319513 (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.