Factor Info

ID 170263
Size 308 digits / 1023 bits
Status composite
Value 51183190632725819339447126222626435027858316608062581925925224484790956578901443979041466234663410482441267801895893244823405221297820093176232271889675243819716032462418118614854114440880786264946864180164545276723820083974702660108576180982177154931971541316252474870612781643701415007645621574159278154043

Factorizations

Primary (ID: 169572) 31236616349405598842487992724899573007733 (proven prime)
(ID: 170264) 1638563859164591737030182567170362474983090118841449299350792624856631036770895493203703275038753224745722626472314208342774843131083785665257255644271372056881430932634979249394143319230436181558209142487632104743089918858830015637986956192993054004132857856108185071 (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.