Factor Info

ID 2661
Size 144 digits / 478 bits
Status composite
Value 416771613214856357953782836738657154952682353716283540877801666965521760025006005261091103538286732140345534533275795644771729490409718015851901

Factorizations

Primary (ID: 2323) 1105097795002994798105101 (proven prime)
(ID: 19858) 377135503391106588229922980679307811432595238187806625054654197307166527867653275669223104366252823081349711515097066801 (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.