Factor Info

ID 102991
Size 636 digits / 2111 bits
Status composite
Value 210621981458226683366525523899038655587932547995015587196269334196641593332722783188319029737524319961448365560500238898065750047300252447251917276698279312955131061347748807892495698124688308292700294070005061214981496108888381840521101220731229482663326166375474527248274922014272334260378964206958692549180398641221986433144574412271702191608648250694719360639409741774149638156481748657677740819400349146165348072935441596094711177725308962790800834706079752055771489256086602832389526573963840070664316690318484771000333436275197134910743711696381751950107513395919976878202943929494478149552522127914197599918943457731370435211597

Factorizations

Primary (ID: 102992) 16297441948637144388765257 (proven prime)
(ID: 102993) 12923622131744406324223839257543302819606287293265776852701563964932725442015793068943123999934448587314078956239440207830012453608703049656149015444257581742200747810415094624418975409569347605617511409052685051818879809359948196751272137062688847656681274230402371314308061266286631196689372585461878038372221325276407516775538683418423309282806765615488011594249817558606647447369746538436630376995725665711559601171290475807343201504574688184513352772991932897503781090821775505074918460233590690405800016825708464653440495287547317601345358012007464413227641839901307910396643654241773931406069957024891621 (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.