Factor Info

ID 185081
Size 640 digits / 2124 bits
Status composite
Value 1563178297603473145916442846148377759977974836096471699546146580807116190437566564929747703209505393697037839812480851316332615601212923453943424358455741206258073088294812445176148492806725850167416723297871418699441565355182045739529753345231629852301596090869931878162948479360043314412281063594087379457951854669941820429783729608419192971117605357263863106960693199791843411878269928742303647293421568673777473522872079308254386353727191877887885307893851555591732475924978880240415373397260531351016094271528812653886996208590304308414758708674983954511026858776133797645021275241646795017912651977799598495844678009184227985702923639

Factorizations

Primary (ID: 149813) 2371044207714477564967925829229152401500682180358149598143086363592429387617958004918161181418203988556157500511384608732775760661423264675805824179507569711072541711022438852792113081828770546775396346628482584198835251 (proven prime)
(ID: 185082) 659278427840984366832909892434848725939204685180245660700710253638696529063199865480602189607144627806223497986055196370698954019135565245499419048394439651982223692087237009576119400104209948981855518349821259595734602141194155895626017429175365090274794791983380252073936690666726617350835787593415455063740928462995421525445920376571684763246990508647311116373064960043106562136923754387160828897148014495061230761389 (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.