Question

Find the significance of the following integers and the least common factor by the prime factorization method. (1) 12, 15 and 21​

Answer 1

Answer:

LCM of 12, 15, and 21 by Prime Factorization

LCM of 12, 15, and 21 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 22 × 31 × 51 × 71 = 420. Hence, the LCM of 12, 15, and 21 by prime factorization is 420.