What is the Greatest Common Factor of 5091 and 5103?

Greatest common factor (GCF) of 5091 and 5103 is 3.

GCF(5091,5103) = 3

We will now calculate the prime factors of 5091 and 5103, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5091 and 5103.

How to find the GCF of 5091 and 5103?

We will first find the prime factorization of 5091 and 5103. After we will calculate the factors of 5091 and 5103 and find the biggest common factor number .

Step-1: Prime Factorization of 5091

Prime factors of 5091 are 3, 1697. Prime factorization of 5091 in exponential form is:

5091 = 3¹ × 1697¹

Step-2: Prime Factorization of 5103

Prime factors of 5103 are 3, 7. Prime factorization of 5103 in exponential form is:

5103 = 3⁶ × 7¹

Step-3: Factors of 5091

List of positive integer factors of 5091 that divides 5091 without a remainder.

1, 3, 1697

Step-4: Factors of 5103

List of positive integer factors of 5103 that divides 5091 without a remainder.

1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5091 and 5103. The biggest common factor number is the GCF number.
So the greatest common factor 5091 and 5103 is 3.

Also check out the Least Common Multiple of 5091 and 5103