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What is the Greatest Common Factor of 28198 and 28209?

Greatest common factor (GCF) of 28198 and 28209 is 1.

GCF(28198,28209) = 1

We will now calculate the prime factors of 28198 and 28209, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28198 and 28209.

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How to find the GCF of 28198 and 28209?

We will first find the prime factorization of 28198 and 28209. After we will calculate the factors of 28198 and 28209 and find the biggest common factor number .

Step-1: Prime Factorization of 28198

Prime factors of 28198 are 2, 23, 613. Prime factorization of 28198 in exponential form is:

28198 = 21 × 231 × 6131

Step-2: Prime Factorization of 28209

Prime factors of 28209 are 3, 9403. Prime factorization of 28209 in exponential form is:

28209 = 31 × 94031

Step-3: Factors of 28198

List of positive integer factors of 28198 that divides 28198 without a remainder.

1, 2, 23, 46, 613, 1226, 14099

Step-4: Factors of 28209

List of positive integer factors of 28209 that divides 28198 without a remainder.

1, 3, 9403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28198 and 28209. The biggest common factor number is the GCF number.
So the greatest common factor 28198 and 28209 is 1.

Also check out the Least Common Multiple of 28198 and 28209