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What is the Greatest Common Factor of 28020 and 28039?

Greatest common factor (GCF) of 28020 and 28039 is 1.

GCF(28020,28039) = 1

We will now calculate the prime factors of 28020 and 28039, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28020 and 28039.

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How to find the GCF of 28020 and 28039?

We will first find the prime factorization of 28020 and 28039. After we will calculate the factors of 28020 and 28039 and find the biggest common factor number .

Step-1: Prime Factorization of 28020

Prime factors of 28020 are 2, 3, 5, 467. Prime factorization of 28020 in exponential form is:

28020 = 22 × 31 × 51 × 4671

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 28020

List of positive integer factors of 28020 that divides 28020 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 467, 934, 1401, 1868, 2335, 2802, 4670, 5604, 7005, 9340, 14010

Step-4: Factors of 28039

List of positive integer factors of 28039 that divides 28020 without a remainder.

1, 11, 2549

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28020 and 28039. The biggest common factor number is the GCF number.
So the greatest common factor 28020 and 28039 is 1.

Also check out the Least Common Multiple of 28020 and 28039