Question

Find the lcm of 15,30 and 105

Answer 1

The LCM of 15, 30, and 105 is 210

Explanation:

15, 30, 105

Solution: List the prime factors of each.

15: 3 * 5

30: 3 * 10

105: 3 * 5 * 7

Multiply each factor the greatest number of times it occurs in any of the numbers.