Solutions by everydaycalculation.com

The LCM of 10 and 3 is 30.

- Find the prime factorization of 10

10 = 2 × 5 - Find the prime factorization of 3

3 = 3 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 3 × 5 - LCM =
**30**

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: 20 & 6 30 & 9 50 & 15 70 & 21 20 & 3 10 & 6 30 & 3 10 & 9 50 & 3 10 & 15 70 & 3 10 & 21

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

© everydaycalculation.com