Factor Info

ID 143554
Size 154 digits / 509 bits
Status composite
Value 1266148651637473945606424993961437857319454325377311123895947623952505032380576744200796343094724535741992063746666038382242164248514041199254672691310461

Factorizations

Primary (ID: 143262) 397718589170793617043037409602425551586575429042234950501 (proven prime)
(ID: 179356) 3183528972777652888093757870720967997385855406575643442776991828722932576070920907277906664379961 (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.