Question

find the smallest four digit number exactly divisible by 18, 24 and 32

Answer 1

The smallest 4-digit number which is divisible by 18, 24 and 32., will be simply the 4 digit number necessarily a multiple of LCM of the given numbers i.e. 18, 24 and 32.
LCM of 18, 24 and 32= 2 ×2 ×2 ×2 ×2 ×3×3× = 288
 required smallest 4-digit number which is divisible by 18, 24 and 32
number is = 4 × 288 = 1152

Answer 2

Hope the answer is clear