Factor Info

ID 159189
Size 323 digits / 1071 bits
Status composite
Value 21048683471210320737945052130208038066719769125951213414997294927830486468776326283665945801037716567608378404069556294599836064681195143909355107769855864919666246260570412507019585247984379682736492198224326207396656730700371512336032293321794391446068605920177039076703370307261394728853408844893623708014562025205258479

Factorizations

Primary (ID: 158916) 3648534830043396481338793 (proven prime)
(ID: 159190) 5769078397686548338341562169957467041998647513091876602589499814830856511089250336169257424783428307260496728683829492114575930995956712457876752085423285013208446149398638583142635086477151826290119410264135546497466091645821655575990240863135608532674924802984838602103648882200610579229092159703 (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.