The smallest natural number which is divisible by 33, 72, 11 and 18 is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 792.
LCM of 33, 72, 11, 18 =
Prime factors:
33 = 3 × 11
72 = 2³ × 3²
11 = 11
18 = 2 × 3²
Take highest powers: 2³, 3², 11
LCM = 8 × 9 × 11 = 792