Factors that have more factors are called composite.
A composite number
a factor
A common factor is an integer that divides evenly into two or more given numbers with no remainder.
A common factor.
it is what we now call factor rationalising
Depends on what the factor is.
I would call an odd number factor a factor that is an odd number. I would call a number with an odd number of factors a perfect square.
I call them odd.
I call it 1.
I call it odd.
factor * factor = product
Mathematicians call them "factor pairs."