Question

How do you find two positive numbers whose product is 144 and whose sum is a minimum?

Answer 1

`12,12`

Explanation:

`144=2^4*3^2`
number of factor `=(4+1)*(2+1)=15`
`=> 144=1*144=2*72=3*48=4*36=6*24=8*18=9*16=12*12`

Of these 12 pairs, the sum of `(12 and 12=24)` is the minimum.