Question

What is 64 written as a product of the same factor?

1. 4 x 4 x 4 x 4 x 4 x 4
2. 6 x 6 x 6 x 6
3. 6 x 4
4. 6 + 6 + 6 + 6
what one is correct?!

Answer 1

It has to be the fourth one