Factor Info

ID 71772
Size 644 digits / 2137 bits
Status composite
Value 13945400017519328685924181482619544408850689967137552806988159297169705538576001385800556334231594758713865572704407839173812233385532155738244879850842797968027049725039388601457249826525596666373795526943225628735783051639779603978087857071236544471427254533846292265283578989959451059954191019366433577368786068503797198849323697688954013682995675482661675103029547057083014804854848114533212784216317780982179043971679024091596457161155273690483879123511689063307060263893065067636444222173795476422978423300820059840196298894672053102825325670800078686859206070838653326526108383849039414740426234320055124886960156372655430934015043745331

Factorizations

Primary (ID: 70619) 7938685883284687902899551 (proven prime)
(ID: 71773) 1756638343240420537978618557688615960501890992614199447269236262439478525326267288630756381749171572048393301274678973332967897728435268328646310818901279757393321327655123932661127867045601369362254448182758583960120701337293776243457214585721040187259963867734961570048610466144429724507528256698912830842003926932391824365930048084295125903386475665159525477250076463641233794927752081183937845596563771641523820759241391203023063848841924117187598579866464254414747401717831465615932488492356878629527268642117047465828258893324694759337740180395131024990120669232742558912821883837856083380488054931685427807396781 (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.