### Examples

**Example 1:** Find the LCM of 24 and 15.

**Solution:**

Start with the two numbers, 24 and 15.

LCM is the product of common and non common factors.

Therefore, LCM(24, 15) = 120.
**Example 2:** Find the LCM of 30 and 50.

**Solution:**

Start with the two numbers, 30 and 50.

LCM is the product of common and non common factors.

Therefore, LCM(30, 50) = 150.
**Example 3:** Find the LCM of 18 and 24.

**Solution:**

Start with the two numbers, 18 and 24.

LCM is the product of common and non common factors.

Therefore, LCM(18, 24) = 72.

### Exercise

**1.** LCM(14,21) = 42

**2.** LCM(28,35) = 140

**3.** LCM(36,48) = 144

**4.** LCM(36,72) = 72

**5.** LCM(16,40) = 80

**6.** LCM(48,72) = 144

**7.** LCM(96,40) = 480

**8.** LCM(24,32) = 96

**9.** LCM(90,30) = 90

**10.** LCM(12,90) = 180