Factor Info

ID 143852
Size 312 digits / 1037 bits
Status composite
Value 866900285300198822040106113751581382347011678052547319932630990855581946527043695041085009951166868802283512698598747757667133370021616726932680204203109198235904447072346615491458241769093850303459085094908156648436296015593912548716328032950176328745692726949587975476450009632276498980454801354699993219794393

Factorizations

Primary (ID: 143259) 676245871671213000985361 (proven prime)
(ID: 143853) 1281930613724590604926618544302645577719027960560259385797120079555978298785946738100993166079036479642982504757042822927179492079584490753023797637889449710850701776831593352864162063168479414828650268984443498328742275566638681306045654869302257871457323525165836260909685893457188912713 (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.