What is the LCM of 130 and 56 and 42?

Answer 1

10920 is the LCM. 130 = 5 x 2 x 13; 56 = 7 x 2 x 2 x 2; 42 = 7 x 3 x 2

You take the least amount of each factor that can produce each number.

So 5 x 2 x 13 x 7 x 2 x 2 x 3 = 10920