Any two numbers who are relatively prime will work
So look at 9 and 4. Neither is prime and their GCD is 1.
You must need two numbers with NO other factors in common.
use slide
You need at least two numbers to find a GCF.
You need at least two numbers to find a GCF.
You need at least two numbers to find something in common.
You need at least two numbers to find something in common.
no
You need at least two numbers to find something in common.
Composite numbers have more than two factors whereas prime numbers have only two factors.
By factoring them. Prime numbers have only two factors. Composite numbers have three or more.
You should ask a question here, shouldn't you?
You need at least two numbers to find something in common between them.
The GCD is 2.