Factor Info

ID 172378
Size 516 digits / 1714 bits
Status composite
Value 619779267456901335104996958081714455524969239649159524139562595476441939290521820070101636279378502897082229983270662443707300539822315979905515168826903682234240432104584265877765165618911134047074696711854267571844931876959435500570279410920973138756197896944970990287837957341938877096846640997991573616364445190828229985497052123364159303873622344987584166058338244816082090452433135102670165435352742638028556572127509872824147194040615313656090774850506489232030578774496394669111136452081728633452184226180851

Factorizations

Primary (ID: 136440) 1090621172879625550471378131249830699682901 (proven prime)
(ID: 172379) 568280978646751290502578720084523817956450532259651973217730784515753089124383975577455027519119141524711823691340166617891991314660928937882063487938654238678115044392321439313564075952332570957948990542746671527133309451325685126900870659839052861101536848841293735495527106133418129118313182746078277364853585845013017924218609188238245334187266326097606545315986113355226763088748989469479244731461895433387667407129592074848290079551082710118570644236423595786035942951 (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.