а)НОД(84,140)(84)=84,168,252,416...НОК(84,140)(84)=1,2,3,4,6,7,11,12,14...(140)=1,2,3,4,5...140б)НОД(260,693)(260)=260,520,780,1040...(693)=693,4326,5149...НОК=(260693)(260)=1,2,3,4,6,.....260(693)=1,3,7,11,...0,78в)НОД(864,5472)(864)=864,1728,2592...НОД(864,8208)(864)=864,1728,2592...(8208)=8208,16416,24624..НОД(864,5467,8208)(864)=864,1728,2592...(5467)=5472,10944,16416...(8208)=88208,16416,2462..г)НОК(864,5472)(864)=1,2,3,4,8,...864(5472)=1,2,3,4,6,...5472НОК(864,8208)(864)=1,2,3,4,6,8....864(8208)=1,2,3,4,...8208НОК(864,5472,8208)(864)=1,2,3,4,6...864(5472)=1,2,3,4,6,8.....5472(8208)=1,2,3,4......8208