Factor Info

ID 164438
Size 489 digits / 1625 bits
Status composite
Value 890744877854117981622419276705470396255658237059220853759153121489481454873599147647627226673419371055327831542835178861127953226838493883088611812185149730628254851673699485484726956554136819823289511575872631190441279872870291543335985086858779647032526342794762818177757623663732299965345266872206688522605453993527871510468428359189961755594398776010896117634367530581541833693122323164204821921700960556753269904615433830162776744664662380376206371320811546341584072841775314270072561

Factorizations

Primary (ID: 163881) 1272968965162312262976210913 (proven prime)
(ID: 164439) 699738094353731481613303689484894323798265982764353318602229284143400404513696028960398796853272076809892539944325756273129378146581098304039610716209357840669441575546883589811040131977172781989341806341110104005940501670664487263907112265212546535886913780461297792455577743906942666663525943713687561927715040675677287498347219785891513489184055729733442948139029516446366526585141622340361901249467783440537876199595174742501879542708363677016577166892878097 (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.