What is the Greatest Common Factor of 7287 and 7299?

Greatest common factor (GCF) of 7287 and 7299 is 3.

GCF(7287,7299) = 3

We will now calculate the prime factors of 7287 and 7299, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7287 and 7299.

How to find the GCF of 7287 and 7299?

We will first find the prime factorization of 7287 and 7299. After we will calculate the factors of 7287 and 7299 and find the biggest common factor number .

Step-1: Prime Factorization of 7287

Prime factors of 7287 are 3, 7, 347. Prime factorization of 7287 in exponential form is:

7287 = 3¹ × 7¹ × 347¹

Step-2: Prime Factorization of 7299

Prime factors of 7299 are 3, 811. Prime factorization of 7299 in exponential form is:

7299 = 3² × 811¹

Step-3: Factors of 7287

List of positive integer factors of 7287 that divides 7287 without a remainder.

1, 3, 7, 21, 347, 1041, 2429

Step-4: Factors of 7299

List of positive integer factors of 7299 that divides 7287 without a remainder.

1, 3, 9, 811, 2433

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7287 and 7299. The biggest common factor number is the GCF number.
So the greatest common factor 7287 and 7299 is 3.

Also check out the Least Common Multiple of 7287 and 7299