Factor Info

ID 128760
Size 657 digits / 2180 bits
Status composite
Value 171345131384205622178457063858764423542787090245782168252481417933632307389990500145090907398772267798080949303875352756052126749016749468618385651144702276147488365030453785085808393307602451914850143131771941651215985090455316064329395200204741645844412180450564095267913527769294011136856294915947026022161871746478074360402399092828193787950134320517904116527851331356924224425320489578487090777790576471746775729120924365313344777236235429603090769693358981729878331328012780694312050087523462679427736266923712991066348821150327190261916233518053723810639259624540742534013346382162163215132453299859502879817753961034652470403021089973834998081958829

Factorizations

Primary (ID: 9101) 13345777072640252551741515140876418537140353109 (proven prime)
(ID: 128761) 12838902557084873960100778277407526857093090546078220222482189258608716321459047692260555751582374438015492893181925704830606247129101357791387929910760486107923823601849407969361231151677802988255430227221346658361509743607313474138326248671399878542145871973983666514154487829649510390924619042395011306163743553694980296336208639599456631052632759832763988398111336870199688715313238183563159101687736905135459817192385851833988748159285992426494341495067153153604617331794146212984291287357421548589548078994833203135554545447703979330168101857140236219339893907224030353536857884519427350793832847019673081 (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.