Factor Info

ID 178260
Size 417 digits / 1384 bits
Status composite
Value 420299145913207969182901770542961430404114538218778872338547903661539513101226780653138409860009852394193956175712466131858270933025132327628965314825936663148475416072330232745953798362482587808216900139983013293255230209688251854211254530039936428254587522294913163978326534817179246735180895462523148952415925418965752887990345715931766383501615511889205900412768287963105650877729236692931312436417630333153570899

Factorizations

Primary (ID: 6788) 160886188043803054530871719304783265100827282810075925369403839312088918579 (proven prime)
(ID: 178261) 2612400424322172708448069023955165375213368001239839263439714532727592882105355383033616439155216268263710611619655097022866349544670543119973778991841415461333492364098985951904136627978167409269021016973585363493380864014723001135256286056336731935501830273708423314639965285696813263951332105605969390804575789042191139759569565419310154081 (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.