Factor Info

ID 217815
Size 753 digits / 2500 bits
Status composite
Value 279054550251486051658957413520354776694813457731170615141116705412484805275065348483651023325637998303086079513428461709017659770786566228378677560748232259635521213338257029426935955218625718714001887444805043070324246924023278852398203627358251862446236102793929716570192887713209834228742429128517886931820809983363141196843291304687772768072057081065729157900281758177987547161199064826974135646894225764113089172490094609739711119347280004407189510650470464008363480705216073149962399103676693546352140080516092937591227618568053401448430277802447992328282949035090955920459503921339237682400360697965784456611680541485537266566799505383381046513193575882624979469284526935286407198989114354127584069280098346766816952874580607038243018322940196879

Factorizations

Primary (ID: 217816) 248432058938495562793630787 (proven prime)
(ID: 217817) 1123263041991580132141334537890222559290747485207499199946844093045039057280992662304234702764877265663212497421761590483038841965093952524809893507581506400724464043105308690440962663187704931511051044921487105086693040161999024231286839988964700722684069447718422322224757822954209029157715966464027269684520003252367731120609876192254363426872510420452149689370354319147857280386106822820185683023742517841793479177295959771681082085422913102303742066013754174382010828059972598787562888458560389005365052809033600136515176710551860932391837657570673546427096827448933631763166473408857993818278139078982206250237229836582250235950952670783359490272681995403271417479391668271730948014037075735066014160806995436238156840517 (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.