Factor Info

ID 161625
Size 300 digits / 996 bits
Status composite
Value 630828594818421161443608868948639409688714868806415882164380856554437527356847774691987569731686182803839873520417032230096353675837113593783887826670089543902988945925688652155773963685188801477710581124395945190290756004405452142018177643008807179256744128087677234894793407895679380242218589388167

Factorizations

Primary (ID: 161626) 1496905397642409218729173 (proven prime)
(ID: 161627) 421421818514357257178339433778197583189152516626294722049804298967966236307568358432386979150222286914063654023873314574206727596963290486326998678448487962000009900167745379223401495198266426079894849181675015967163222275731494622756724236709057592870341334256693331165689579 (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.