Answer:
105
LCM of 3, 5, and 7 by Prime Factorization
LCM of 3, 5, and 7 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 31 × 51 × 71 = 105. Hence, the LCM of 3, 5, and 7 by prime factorization is 105.
Explanation: