Question

What is the least number that has 4 odd factors that are all the same? each factor is greater than 1, and can have only 1 and itself as factors. explain how you found the number?

Answer 1

81

Explanation:

We need to have 4 odd factors not including 1 that are the same

Listing the odd numbers

1,3,5,7,9,11,13,.....

3 is the smallest odd number that is not 1

The factors of 3 are 1 and 3

The number is 3*3*3*3

81