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What is the Greatest Common Factor of 28159 and 28168?

Greatest common factor (GCF) of 28159 and 28168 is 1.

GCF(28159,28168) = 1

We will now calculate the prime factors of 28159 and 28168, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28159 and 28168.

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How to find the GCF of 28159 and 28168?

We will first find the prime factorization of 28159 and 28168. After we will calculate the factors of 28159 and 28168 and find the biggest common factor number .

Step-1: Prime Factorization of 28159

Prime factors of 28159 are 29, 971. Prime factorization of 28159 in exponential form is:

28159 = 291 × 9711

Step-2: Prime Factorization of 28168

Prime factors of 28168 are 2, 7, 503. Prime factorization of 28168 in exponential form is:

28168 = 23 × 71 × 5031

Step-3: Factors of 28159

List of positive integer factors of 28159 that divides 28159 without a remainder.

1, 29, 971

Step-4: Factors of 28168

List of positive integer factors of 28168 that divides 28159 without a remainder.

1, 2, 4, 7, 8, 14, 28, 56, 503, 1006, 2012, 3521, 4024, 7042, 14084

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28159 and 28168. The biggest common factor number is the GCF number.
So the greatest common factor 28159 and 28168 is 1.

Also check out the Least Common Multiple of 28159 and 28168