What is the Greatest Common Factor of 7983 and 7992?

Greatest common factor (GCF) of 7983 and 7992 is 9.

GCF(7983,7992) = 9

We will now calculate the prime factors of 7983 and 7992, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7983 and 7992.

How to find the GCF of 7983 and 7992?

We will first find the prime factorization of 7983 and 7992. After we will calculate the factors of 7983 and 7992 and find the biggest common factor number .

Step-1: Prime Factorization of 7983

Prime factors of 7983 are 3, 887. Prime factorization of 7983 in exponential form is:

7983 = 3² × 887¹

Step-2: Prime Factorization of 7992

Prime factors of 7992 are 2, 3, 37. Prime factorization of 7992 in exponential form is:

7992 = 2³ × 3³ × 37¹

Step-3: Factors of 7983

List of positive integer factors of 7983 that divides 7983 without a remainder.

1, 3, 9, 887, 2661

Step-4: Factors of 7992

List of positive integer factors of 7992 that divides 7983 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2664, 3996

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7983 and 7992. The biggest common factor number is the GCF number.
So the greatest common factor 7983 and 7992 is 9.

Also check out the Least Common Multiple of 7983 and 7992