Factor Info

ID 18581
Size 187 digits / 620 bits
Status composite
Value 3931751619104437584960532736819500085105198547247539975773955149785922128952299274983109532833547564826326994944102403730748958941097283633929869229205639167032846460154843508851191080431

Factorizations

Primary (ID: 18040) 1688810503833393229216027790837197173108510442605439879635226377154801 (proven prime)
(ID: 18582) 2328118880229512093084878815421835177093875139973790617223638838685322251270524044545915696799343802792295106371601631 (proven prime)

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.