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What is the Greatest Common Factor of 27638 and 27651?

Greatest common factor (GCF) of 27638 and 27651 is 13.

GCF(27638,27651) = 13

We will now calculate the prime factors of 27638 and 27651, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27638 and 27651.

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How to find the GCF of 27638 and 27651?

We will first find the prime factorization of 27638 and 27651. After we will calculate the factors of 27638 and 27651 and find the biggest common factor number .

Step-1: Prime Factorization of 27638

Prime factors of 27638 are 2, 13, 1063. Prime factorization of 27638 in exponential form is:

27638 = 21 × 131 × 10631

Step-2: Prime Factorization of 27651

Prime factors of 27651 are 3, 13, 709. Prime factorization of 27651 in exponential form is:

27651 = 31 × 131 × 7091

Step-3: Factors of 27638

List of positive integer factors of 27638 that divides 27638 without a remainder.

1, 2, 13, 26, 1063, 2126, 13819

Step-4: Factors of 27651

List of positive integer factors of 27651 that divides 27638 without a remainder.

1, 3, 13, 39, 709, 2127, 9217

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27638 and 27651. The biggest common factor number is the GCF number.
So the greatest common factor 27638 and 27651 is 13.

Also check out the Least Common Multiple of 27638 and 27651