What is the least common multiple of, 14, 15 and 30
The least common multiple of 14, 15 and 30 is 210
The least common multiple of 15 and 30
15=3*5
30=2*3*5
The least common multiple of 15 and 30 is 2 * 3 * 5 = 30
The least common multiple of 15 and 36
15=3x5
36=3x12
So the least common multiple of 15 and 36 is 3x5x12 = 180
The least common multiple of 15 and 36
Short division
3|15 36
 ̄ ̄ ̄ ̄ ̄
5 12
LCM = 3 × 5 × 12 = 180
What is the least common multiple of 12 20 30 36 42?
[12.20.30.36.42]=2×3×2×5×1×1×1×3×7=1260