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What is the Greatest Common Factor of 27797 and 27809?

Greatest common factor (GCF) of 27797 and 27809 is 1.

GCF(27797,27809) = 1

We will now calculate the prime factors of 27797 and 27809, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27797 and 27809.

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How to find the GCF of 27797 and 27809?

We will first find the prime factorization of 27797 and 27809. After we will calculate the factors of 27797 and 27809 and find the biggest common factor number .

Step-1: Prime Factorization of 27797

Prime factors of 27797 are 7, 11, 19. Prime factorization of 27797 in exponential form is:

27797 = 71 × 111 × 192

Step-2: Prime Factorization of 27809

Prime factors of 27809 are 27809. Prime factorization of 27809 in exponential form is:

27809 = 278091

Step-3: Factors of 27797

List of positive integer factors of 27797 that divides 27797 without a remainder.

1, 7, 11, 19, 77, 133, 209, 361, 1463, 2527, 3971

Step-4: Factors of 27809

List of positive integer factors of 27809 that divides 27797 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27797 and 27809. The biggest common factor number is the GCF number.
So the greatest common factor 27797 and 27809 is 1.

Also check out the Least Common Multiple of 27797 and 27809