What is the Greatest Common Factor of 28028 and 28039?

Greatest common factor (GCF) of 28028 and 28039 is 11.

GCF(28028,28039) = 11

We will now calculate the prime factors of 28028 and 28039, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28028 and 28039.

How to find the GCF of 28028 and 28039?

We will first find the prime factorization of 28028 and 28039. After we will calculate the factors of 28028 and 28039 and find the biggest common factor number .

Step-1: Prime Factorization of 28028

Prime factors of 28028 are 2, 7, 11, 13. Prime factorization of 28028 in exponential form is:

28028 = 2² × 7² × 11¹ × 13¹

Step-2: Prime Factorization of 28039

Prime factors of 28039 are 11, 2549. Prime factorization of 28039 in exponential form is:

28039 = 11¹ × 2549¹

Step-3: Factors of 28028

List of positive integer factors of 28028 that divides 28028 without a remainder.

1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 14014

Step-4: Factors of 28039

List of positive integer factors of 28039 that divides 28028 without a remainder.

1, 11, 2549

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28028 and 28039. The biggest common factor number is the GCF number.
So the greatest common factor 28028 and 28039 is 11.

Also check out the Least Common Multiple of 28028 and 28039