Question

Which number is a common factor of 64 and 100? HELP ASAP

Answer 1

Explanation:

find the prime factorization of 64

64 = 2 × 2 × 2 × 2 × 2 × 2

Find the prime factorization of 100

100 = 2 × 2 × 5 × 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 × 2 × 2 × 2 × 5 × 5

LCM = 1600