Factor Info

ID 159439
Size 524 digits / 1739 bits
Status composite
Value 20537744153959725631007507324221268769562959024668019307423749462887009195514824189048925013513214348275982969573067186351680015614121545498495058796119766455731170095803636312992508198225293141301848193372793644892204431878380213586667570536459835374914285502362243885752451308379714491948796782219264994223672259565894946186315432411831217872783523759599981475962020575132758389464139882809195236181752743997702272857116930149536715089783151144225725394502160607162179751521329747980085902457895031501098697773210848792313

Factorizations

Primary (ID: 158887) 22299567297917827863809 (proven prime)
(ID: 159440) 920992944821731652091016676809481436685830349632618853633941133620637292314100225172950920223086646092369985750481481418148067477763713346752192057415901343692563071388909310689017429096402864809234940862129219045945415412251292524979968521886889108454380015498696775201278119014314805427203916012477277636303401427512227589691301596288450061888810465931481644494980480607288623584506318431687186183240233964411566442050846166799400401995557222342460381078261536123828173569308233619291902244538212857 (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.