Find 15, 24, 35 and 54 LCM


    Q. Find 15, 24, 35 and 54 LCM


Soln,


Simply:


Prime factors :
15 = 3 × 5
24 = 2³ × 3
35 = 5 × 7
54 = 2 × 3³


Take highest powers : 2³, 3³, 5, 7


Multiply : 8 × 27 × 5 × 7 = 7560


LCM = 7560