Factor Info

ID 42890
Size 324 digits / 1075 bits
Status composite
Value 285163740805127705686105051581800247160964681225898855515096469295254882747967521464196840599784046497206471634480797222790586529927074028461545997540147626455150077103608664636915095166403916305383377826342939836158614498011299453100717983326405114023392302880318196428984186455954457304445659271266352870936963259881458801

Factorizations

Primary (ID: 42891) 319464926873761519693 (proven prime)
(ID: 42892) 892629258540834646182816236410493372697750339345883259328227666098326734389636808077822660204569501649485833103275899146431087946976830522583675289183164191943929669826540922000823875900262892398808232443471808339521755594127223131658563963376422880881652250848184223037744968300113023683779272825919157 (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.