Factor Info

ID 147506
Size 261 digits / 867 bits
Status composite
Value 497546304281624772797766858729739553954187971942813923173165197647874713426044768207881417073954864071537338744788272010958971114540949171776804420948540277133190658940264841045627194793850709797762822890967514464498218247990870335398229039426499498097003004097

Factorizations

Primary (ID: 147073) 687858517721621226917 (proven prime)
(ID: 147507) 723326514774632071241038854118781152205062161112969175451196535839332250614504882453080793359829601820121614947302507405799977062459038974252688035396666265084571198176139780574848146658243132076065957079001932524640066645778056286908226541 (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.