Factor Info

ID 142540
Size 688 digits / 2284 bits
Status composite
Value 1878947988509701226098095452777516536883426946691122763534122559237116763549255896025226197665010241100298769980529702825706110680745737051320817601571270983727115676655239538166513571089528995536614152700472554068292615545321259451933279107254644809505007606683058629926704546504932395227838996006699104466991241503449299201981206603371920304511419883349108130447267268973990435195984331863527388268522550734352571387386142074866267223620307762923687393157127488598479884025352354322568687994176290417289117216585746638521966099509618842756542656749899745634836048032429696654936352582970125714886617736575398892669575931082145048529658427921395869759877165206244312330386883657175021417

Factorizations

Primary (ID: 178162) 15206561885497822593988516801 (proven prime)
(ID: 178164) 123561657306745603090026236134228471874310633025694469035693394805604687207018843514002362337311492902015149232480527034364314699769667094739846645496193113537357094444156214524306314075371442215486918367591395933963245003090087465489897261582993108191588538951539073643941696679587614879257405551577349850188629812659020497029325390189454287431764872656926914208069748399175560768073420369163750005554223608680616248829131505641755204584993670075781173107030506334153879518847722680256484044396819787461252277800031513940450521676433347616483714225283107352531394989717631487334982105379665660856294526013610325161186775399102289843754682193772840137700795817 (composite)
Secondary (ID: 6743) × (ID: 142541)

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.