It is a square of that factor. E.g. 5 is a distinct factor of 25. If you multiply that distinct factor by itself (5*5) you get 25. A square comes from the x^2 notation and is any number which has a factor which is multiplied by itself.
If you are talking about the number itself, they can be the same. To be specific: A prime number is a number that only has the factors 1 and itself. A factor is a number that when multiplied creates a product. A prime factor is a prime number that is multiplied to create a product.
It'd be the product squared, since you're multiplying it by itself. the product of a number multiplied by itself is called an Exponent, Power or Square Number
A square? I think?
It is: 49
a product factor is an answer to an equation and the actual equation itself.
The power or exponent.