Factor Info

ID 170748
Size 520 digits / 1728 bits
Status composite
Value 9919077308647790463078300531149520113660603112999739841988849741245868219219643965269916590126993044666190427747597318062456082763648421723781751382823676148189434385977134095775975504283800568679859819044612805754517903937392717753536125261385919349990223594571560738203198400400435302410446042921078191613469250952484189273113420207429301912958981273596463341945855051888851668049214109389391111700870476794613034373835373041582061609749953020496712160870450825155350283604965320298211374841175064551399070806193408571

Factorizations

Primary (ID: 134216) 68553522878665997663446114317721 (proven prime)
(ID: 170749) 144690993141282144798903048872782191894661061221338246268940532387805615530143412627041100522418824115210139339457615789308712849755604979899361883612783279745786501851636830596553080307239218777630374056662936924856906876395689321239135538586739565573651892055422694536158582236172927462321680084800301896189501145803834656170575949093206050856452791885116095317966528602085745983686543945932119115818450069851599579852287388281301991671278248459353659276984840721535758285046284024068851 (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.