No for example the GCF of 24 and 36 is 12 which is a composite number
Chat with our AI personalities
73 is a prime number so 51,3x17 and 73 only have the number 1 as the greatest common factor.
The GCF of any set of prime numbers is 1.
The greatest common factor of two or more prime numbers is 1.
As the numbers are all prime, the only factors each of them has are 1 and the number itself. Therefore the greatest, and only, common factor of two of more prime numbers is 1.
You need at least two numbers to find a GCF.