Question

find the lcm of 8, 20 please ​

Answer 1

Answer:

Step-by-step explanation:

Find the prime factorization of 8

8 = 2 × 2 × 2

Find the prime factorization of 20

20 = 2 × 2 × 5

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

LCM = 2 × 2 × 2 × 5

LCM = 40

Answer 2

Answer:

40

Step-by-step explanation:

8 = 2x2x2 = 2³

20 = 2x2x5 = 2²x5

L.C.M = 2³x5 = 8x5 = 40