What is the Greatest Common Factor of 28938 and 28951?

Greatest common factor (GCF) of 28938 and 28951 is 13.

GCF(28938,28951) = 13

We will now calculate the prime factors of 28938 and 28951, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28938 and 28951.

How to find the GCF of 28938 and 28951?

We will first find the prime factorization of 28938 and 28951. After we will calculate the factors of 28938 and 28951 and find the biggest common factor number .

Step-1: Prime Factorization of 28938

Prime factors of 28938 are 2, 3, 7, 13, 53. Prime factorization of 28938 in exponential form is:

28938 = 2¹ × 3¹ × 7¹ × 13¹ × 53¹

Step-2: Prime Factorization of 28951

Prime factors of 28951 are 13, 17, 131. Prime factorization of 28951 in exponential form is:

28951 = 13¹ × 17¹ × 131¹

Step-3: Factors of 28938

List of positive integer factors of 28938 that divides 28938 without a remainder.

1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 1113, 1378, 2067, 2226, 4134, 4823, 9646, 14469

Step-4: Factors of 28951

List of positive integer factors of 28951 that divides 28938 without a remainder.

1, 13, 17, 131, 221, 1703, 2227

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28938 and 28951. The biggest common factor number is the GCF number.
So the greatest common factor 28938 and 28951 is 13.

Also check out the Least Common Multiple of 28938 and 28951