Question

Lena Horne left a well-known chorus line when she was around 18 years old. At age 63, Horne performed in a one-woman Broadway show. What is the least common multiple for the numbers 18 and 63?

Answer 1

t 126

Step-by-step explanation:

Find the prime factorization of 18

18 = 2 × 3 × 3

Find the prime factorization of 63

63 = 3 × 3 × 7

Multiply each factor the greater number of times it occurs to find the LCM:

LCM = 2 × 3 × 3 × 7

LCM = 126