The only number with just one factor is 1.
One of the numbers is a factor of the other.
When one of the numbers is a factor of the other.
Yes, if one of the numbers is a factor of the other.
Consecutive even numbers
That happens when one of the numbers is a factor of the other.
Numbers with more than one factor pair are composite numbers.
One is a factor of all nonzero numbers.
When one of the numbers is a factor of the other.
Prime numbers have one factor pair.
Average. You'd have a one point lead. Prime numbers are better.
Prime numbers
Prime numbers have one distinct prime factor.