Factor Info

ID 143853
Size 289 digits / 958 bits
Status composite
Value 1281930613724590604926618544302645577719027960560259385797120079555978298785946738100993166079036479642982504757042822927179492079584490753023797637889449710850701776831593352864162063168479414828650268984443498328742275566638681306045654869302257871457323525165836260909685893457188912713

Factorizations

Primary (ID: 143134) 354144330352436217335570556313 (proven prime)
(ID: 179671) 3619797082304954631680042351397960325733432852545363019260093092791786285701461994626824196659143671943074333711847108696755091848896695599052578443114236229116750556205219662524997243020988031108740757162076772220946177576082555832314457361588014188076362801 (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.