Solutions by everydaycalculation.com

The LCM of 9 and 28 is 252.

- Find the prime factorization of 9

9 = 3 × 3 - Find the prime factorization of 28

28 = 2 × 2 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 3 × 3 × 7 - LCM =
**252**

MathStep (Works offline)

Download our mobile app and learn how to find LCM of upto four numbers in your own time:

Android and iPhone/ iPad

Find least common multiple (LCM) of: 18 & 56 27 & 84 45 & 140 63 & 196 18 & 28 9 & 56 27 & 28 9 & 84 45 & 28 9 & 140 63 & 28 9 & 196

Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.

© everydaycalculation.com