Factor Info

ID 20687
Size 247 digits / 819 bits
Status composite
Value 1984740569390108822836432682867420498658606079482720697409957245718131369511366177430976328585297946350958003720791396528032291946567248169143539923070624006001655005193045437505871211628435968402123156895605650883693854817230185695148755220276477

Factorizations

Primary (ID: 7472) 21441970593484574539001 (proven prime)
(ID: 20688) 92563347232329402230839873885188168431774606713861282098683542179620550992082540545105499870214869924126426013538962500473377783274368418752548167821945051488826505528296903064735350552077209998264930090221869113415918173477 (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.