(26,78)
26:2=13:13=1
78:2=39:3=13:13=1
НОК(26,78)=2×13×3=78
(39,90)
39:3=13:13=1
90:2=45:3=15:3=5:5=1
НОК(39,90)=3×13×2×3×5=585
(546,245)
546:2=273:3=91:7=13:13=1
245:5=49:7=7:7=1
НОК(546,245)=5×7×7×2×3×13=19110
(34,64)
34:2=17:17=1
64:2=32:2=16:2=8:2=4:2=2:2=1
НОК(34,64)=2×17×2×2×2×2×2×2×2=2176
(40,80)
40:2=20:2=10:2=5:5=1
80:2=40:2=20:2=10:2=5:5=1
НОК(40,80)=2×2×2×5×2=80