What is the LCM of 6, 8, and 5?

1 Answer
Mar 4, 2018

The LCM is 120120.

Explanation:

LCM means least common multiple.

We can use prime factorization of each given number to determine the LCM.

6:6: 2xxcolor(red)32×3

8:8: color(green)2xxcolor(green)2xxcolor(green)22×2×2

5:5: color(blue)55

Multiply each factor the maximum times it occurs in the three numbers.

"LCM"=color(red)3xxcolor(green)2xxcolor(green)2xxcolor(green)2xxcolor(blue)5=120LCM=3×2×2×2×5=120