1, 2, 4, 5, 10, 20, 25, 50, 100
100 and 99's highest common factor is one.
12, 24, 1200
Yes. 4 and 8 have a GCF of 4. 104 and 108 have a GCF of 4. Any set of prime numbers has a GCF of 1, no matter how large or small they are.
One of the numbers is a factor of the other.
12, 24, 120
When one of the numbers is a factor of the other.
Yes, if one of the numbers is a factor of the other.
That happens when one of the numbers is a factor of the other.
Numbers with more than one factor pair are composite numbers.
Every whole number between 1 and 50 is a factor of one or more whole numbersbetween 1 and 100.' 1 ' is a factor of every whole number.
When they have a factor in common greater than one.
One is a factor of all nonzero numbers.