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What is the Greatest Common Factor of 28213 and 28218?

Greatest common factor (GCF) of 28213 and 28218 is 1.

GCF(28213,28218) = 1

We will now calculate the prime factors of 28213 and 28218, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28213 and 28218.

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How to find the GCF of 28213 and 28218?

We will first find the prime factorization of 28213 and 28218. After we will calculate the factors of 28213 and 28218 and find the biggest common factor number .

Step-1: Prime Factorization of 28213

Prime factors of 28213 are 89, 317. Prime factorization of 28213 in exponential form is:

28213 = 891 × 3171

Step-2: Prime Factorization of 28218

Prime factors of 28218 are 2, 3, 4703. Prime factorization of 28218 in exponential form is:

28218 = 21 × 31 × 47031

Step-3: Factors of 28213

List of positive integer factors of 28213 that divides 28213 without a remainder.

1, 89, 317

Step-4: Factors of 28218

List of positive integer factors of 28218 that divides 28213 without a remainder.

1, 2, 3, 6, 4703, 9406, 14109

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28213 and 28218. The biggest common factor number is the GCF number.
So the greatest common factor 28213 and 28218 is 1.

Also check out the Least Common Multiple of 28213 and 28218