35 = 5*7
42 = 2*3*7
НОД(35, 42) = 7
НОК(35, 42) = 2*3*5*7 = 210
18 = 2*3*3
24 = 2*2*2*3
НОД(18, 24) = 2*3 = 6
НОК(18, 24) = 2*2*2*3*3 = 72
396 = 2*2*3*3*11
180 = 2*2*3*3*5
НОД(396, 180) = 2*2*3*3 = 36
НОК(396, 180) = 2*2*3*3*5*11 = 1980
