Solutions by everydaycalculation.com

The LCM of 49 and 42 is 294.

- Find the prime factorization of 49

49 = 7 × 7 - Find the prime factorization of 42

42 = 2 × 3 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 3 × 7 × 7 - LCM =
**294**

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: 98 & 84 147 & 126 245 & 210 343 & 294 7 & 6 98 & 42 49 & 84 147 & 42 49 & 126 245 & 42 49 & 210 343 & 42 49 & 294

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

© everydaycalculation.com