Factor Info

ID 21189
Size 311 digits / 1031 bits
Status composite
Value 15131760773218576033062419039891740973166131528521111449176464384183653874556067982738214639852840715078153949217763377040774546774871381476789223555980031082751482057708398190251094018689007487580989868339575232767292621649438522072860528430776523432482608194350524025530981755431900477033239998534041879227559

Factorizations

Primary (ID: 7473) 131872274978634754198635541 (proven prime)
(ID: 21190) 114745580719451026152038377248099727571980493422071294289322282973228047683494915317518954438118186794508371790707554969704403090678420059089913001127724026963717329453516895904404083100624678203347060953664315115110995485701722311571688930749658547125338032020119489402008093040849099 (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.