Factor Info

ID 71920
Size 715 digits / 2373 bits
Status composite
Value 1950183785098632683111992623161990334389239237636437259764270604615682605999624554311054352706832895841327037118591941080323350460775691982301400568616335181300705343295193363769602038753918234730438763938684227729450749308657668768742959183508886595048101117343034047547830077626183583395484605011932395551323110690950515632626059302708174886808406838832860881121413219550446662222600137895917746851458432140540353095618229563863960054354421667112589091915486497891635432245476395966195130541952174868847730480745117879836893946286084076931861593932203847156715552258931748991514521499331758299568229917878983128172053693927888723982023533615958545900991818390742981795232538102372145718799320542338005598390460969

Factorizations

Primary (ID: 70823) 4892995476168664219561 (proven prime)
(ID: 71921) 398566439433063719771525976282660740471423576666370544378402766108271911181764855403517253150957265386243811403875160542785401654999039092317580934118497141706361076021375162426818603097602631885790322958714264141684865012370999274520026141279487500810409094283984178087003205749023085698132069522576629745854261150567299012237906247024157731224804180951681894278568912088161866417653213025276693062572138568447489078509887025905563886997507688851280037852887753152567922225044728408627822491081689626618120833344163720968154360618252194428067183053965746804471947365464712791081384125183074787060884640530385554619046246028378537219289321856218352513157281756151398061048826327884039268441729 (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.