Factor Info

ID 152920
Size 498 digits / 1653 bits
Status composite
Value 310580713180863249851544839442561592254458817971179005613371131630239008797012937605656558466865373446291561978910304025614749168395023562862082785544806182251062323461994710048798511271401962551925953736357585663396092414350585917056730293974249742133729391043964239382225726944629201047903285654110089041299383251071587915945240605272445481748860182347728346846187665891483123874018609127062985475873171096028046369305098832253536040488865043183334750287846612962417592220958388550411503633556303

Factorizations

Primary (ID: 152129) 1717891214153921330803 (proven prime)
(ID: 152921) 180791839798672798422851904006629413766345748869881198107750136227768158572484741932926012537448941765640323012723026225371704282401866359609086039730347379356955209135779813054306766437016373815235484869308620490728663228321019371472464351878142509332764317589541678654915881449539778353607868372296776660168313736932128802181662062771826788843803051241103854612021410440060472383995453249882896993121256097732074141683804752393419504250432713179503828632219424248194986808501 (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.