The LCM of 75, 45, 180 and 110 is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 9900.
Prime factors:
75 = 3 × 5²
45 = 3² × 5
180 = 2² × 3² × 5
110 = 2 × 5 × 11
LCM = 2² × 3² × 5² × 11 = 4 × 9 × 25 × 11 = 9900