What is the Greatest Common Factor of 7794 and 7812?

Greatest common factor (GCF) of 7794 and 7812 is 18.

GCF(7794,7812) = 18

We will now calculate the prime factors of 7794 and 7812, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7794 and 7812.

How to find the GCF of 7794 and 7812?

We will first find the prime factorization of 7794 and 7812. After we will calculate the factors of 7794 and 7812 and find the biggest common factor number .

Step-1: Prime Factorization of 7794

Prime factors of 7794 are 2, 3, 433. Prime factorization of 7794 in exponential form is:

7794 = 2¹ × 3² × 433¹

Step-2: Prime Factorization of 7812

Prime factors of 7812 are 2, 3, 7, 31. Prime factorization of 7812 in exponential form is:

7812 = 2² × 3² × 7¹ × 31¹

Step-3: Factors of 7794

List of positive integer factors of 7794 that divides 7794 without a remainder.

1, 2, 3, 6, 9, 18, 433, 866, 1299, 2598, 3897

Step-4: Factors of 7812

List of positive integer factors of 7812 that divides 7794 without a remainder.

1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7794 and 7812. The biggest common factor number is the GCF number.
So the greatest common factor 7794 and 7812 is 18.

Also check out the Least Common Multiple of 7794 and 7812