Factor Info

ID 166021
Size 659 digits / 2187 bits
Status composite
Value 15407035374379758499697320369313342806214133594352078993133097969685863222712421232637204195675265187024698515443846833944265012137639822346747246328201669664520830547459085290802890007307258338454888267958518695577072090231816960188186048896549493985497450337907070253142138079820330517968473911680938623140627047053010000537822771815046143318024804393743644268565932565237654108628536539469284310480609847821947540113739774370480158135267503510792281176644489551734716865312279463468246215541852591961221197682376535465926398128892531557398667228431816222758496665930468340379313368697567339601071559219517437049943299428634771353699155151995308493447672591

Factorizations

Primary (ID: 7503) 412482688627178079807598675848631 (proven prime)
(ID: 196981) 37351956334597563155686061168880145380289616176986653648034054537241520610764325473461688378219958464792907957515633488857666192054995203359715908252035364807320816102747597260136261232690182244651238948862487179611159062973327230253489368736069695100588104923131377301472714218904160444725946113605580437598927649255050856030163165498677764681038956492652388608033801548068954408806950636331653506415981465826407123480807829114530911521950325118065303421189997672163303662275254924998766800714984284584765943954658500329071475739422166541985351555891548337263792866843771287676057080096293780696088006682457307308377080653161 (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.