Factor Info

ID 137768
Size 393 digits / 1305 bits
Status composite
Value 529638486863654128318375731320397456893453825114899051485194448332570746063979854369071800636551691876480510693751816344463229995022308110557594056537460698904057681408184953714736351742096889964515975901165088925903286188153523432796840911821736882133461404330782669123101761862838764899403615146555570022426417952049944098772979834136371024183537608201915984751126581842105402026376641124611

Factorizations

Primary (ID: 136486) 285259002489570164883253468981 (proven prime)
(ID: 172708) 1856693328663725989151566458135077202536094891682581895965322242969086366342813876515248625433468757383246835782438400732179417885088000039652552522074460571010718989942220068207648322432779845103206440907536076111202287921879191062594270148559142563390784764168314969014296495362724874052326150105094272350337293857915186550248963961602931120408074723671611590231 (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.