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What is the Greatest Common Factor of 28657 and 28671?

Greatest common factor (GCF) of 28657 and 28671 is 1.

GCF(28657,28671) = 1

We will now calculate the prime factors of 28657 and 28671, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28657 and 28671.

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How to find the GCF of 28657 and 28671?

We will first find the prime factorization of 28657 and 28671. After we will calculate the factors of 28657 and 28671 and find the biggest common factor number .

Step-1: Prime Factorization of 28657

Prime factors of 28657 are 28657. Prime factorization of 28657 in exponential form is:

28657 = 286571

Step-2: Prime Factorization of 28671

Prime factors of 28671 are 3, 19, 503. Prime factorization of 28671 in exponential form is:

28671 = 31 × 191 × 5031

Step-3: Factors of 28657

List of positive integer factors of 28657 that divides 28657 without a remainder.

1

Step-4: Factors of 28671

List of positive integer factors of 28671 that divides 28657 without a remainder.

1, 3, 19, 57, 503, 1509, 9557

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28657 and 28671. The biggest common factor number is the GCF number.
So the greatest common factor 28657 and 28671 is 1.

Also check out the Least Common Multiple of 28657 and 28671