Question

Find the smallest number by which the given numbers should be divided to get a perfect
cube.
d) 69984
c) 47250
b) 13122
a) 6912
h) 552960
f) 117128
g) 104976
e) 53240​

Answer 1

e. 53240

If we divided the number by 5, then the prime factorisation of the quotient will not contain 5. Hence the smallest number by which 53240 should be divided to make it a perfect cube is 5