Factor Info

ID 19915
Size 274 digits / 908 bits
Status composite
Value 1551303870464103468434874631871149601413626604756516101968050343317688001005904188854513446071267307497071167917788230777169448286786971670886056084221634266515109596143108929894376158284685780326194391871569800011755512911329135051043567464712755361607515736544015855576561

Factorizations

Primary (ID: 19916) 139716865184144864008269344660199946429 (proven prime)
(ID: 19917) 11103196943472119684493130463690189755488462725665402506140860638285059656129170506636856698817335205340329061784321760205710399486511856596475115006594527232508133712228002373042344767886568844980962463747080957405198839410654084970309 (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.