Find LCM using the countinous division 72 and 20 Question Find LCMusing the countinous division 72 and 20 in progress 0 Math Melanie 3 weeks 2021-08-21T21:08:06+00:00 2021-08-21T21:08:06+00:00 2 Answers 0 views 0

## Answers ( )

Find the prime factorization of 20

20 = 2 × 2 × 5

Find the prime factorization of 72

72 = 2 × 2 × 2 × 3 × 3

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

LCM = 2 × 2 × 2 × 3 × 3 × 5

LCM = 360

Find the prime factorization of 20

20 = 2 × 2 × 5

Find the prime factorization of 72

72 = 2 × 2 × 2 × 3 × 3

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

LCM = 2 × 2 × 2 × 3 × 3 × 5

LCM = 360