Question

Find LCM
using the countinous division
72 and 20​

Answer 1

$\huge{HeyMate}$

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

Answer 2

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