Factor Info

ID 306
Size 68 digits / 224 bits
Status composite
Value 16819074081428323441234681729433408820454829389492985468224658391389

Factorizations

Primary (ID: 13) 389678749007629271532733 (proven prime)
(ID: 307) 43161383894452590546002225010382867863046433 (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.