The greatest prime factor of 40 is 5. The greatest prime factor of 63 is 7. They do not have any prime factors in common.
The greatest common factor of 40 and 63 is 1.
It is seven.
It is: 3
It is: 1
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
1 37 is prime
The greatest common factor of 63, 81, and 99 is 9.The prime factorization of 63 is 7*9.The prime factorization of 81 is 9*9.The prime factorization of 99 is 11*9.Thus, the greatest of the common factors of 9.
No, 63 is not prime.
The greatest common factor of 3 and 63 is 3.