Factor Info

ID 12960
Size 272 digits / 902 bits
Status composite
Value 18887889118656688188285704335660278271516562588289046342839155775662304350748982698366050162327736375668618548777061599933841628314615602139591670806291859340054191712466871132650994429966147694508429075613730875799555930309497960918693290656058875663874250508180395554861

Factorizations

Primary (ID: 11532) 17735794220172313692220944999595159 (proven prime)
(ID: 12961) 1064958742990714583021250112085631859522846184607569569774016916245584462124484671971828288855087207738705874364519657388907001154867627129458350890313599968929519862306242419012459061060488719349014670117646616451983362875202539609314779 (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.