Factor Info

ID 67654
Size 504 digits / 1674 bits
Status composite
Value 553978862934542986882779132450390790435133699546316288518023089403316170413295945480879105064639005319297700970194592372527009452274108047537309252744375353244785342072953982888225441189051708187792457630211502774083910342227399167248672030751357158296257146016290922295142605452463798449057908168641812410139869571008367654850267837860932225803861467648787490614211177949415797655376653230807774683036490732996470493045595187079544595660149542217330467560205125911615340744016620332301439670090569298421

Factorizations

Primary (ID: 65878) 3436233498896810902837947821 (proven prime)
(ID: 67655) 161216885613971139438147550786801784666103699361122597975606226146084093514326143576666667044515623076662932523579081979062849009772294131467526188554423735131275824062189767389400499371565691265688019303879380369493279205663972760803419921058308436608054634065152826541782627325353836218495466403673746791601577194616891738186233380147693054811446696644703533244954386818082270551971900539420983979321753944014674425114740773466148790381901536582632554820652725175305472298601 (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.