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What is the Greatest Common Factor of 77809 and 77813?

Greatest common factor (GCF) of 77809 and 77813 is 1.

GCF(77809,77813) = 1

We will now calculate the prime factors of 77809 and 77813, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77809 and 77813.

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How to find the GCF of 77809 and 77813?

We will first find the prime factorization of 77809 and 77813. After we will calculate the factors of 77809 and 77813 and find the biggest common factor number .

Step-1: Prime Factorization of 77809

Prime factors of 77809 are 17, 23, 199. Prime factorization of 77809 in exponential form is:

77809 = 171 × 231 × 1991

Step-2: Prime Factorization of 77813

Prime factors of 77813 are 77813. Prime factorization of 77813 in exponential form is:

77813 = 778131

Step-3: Factors of 77809

List of positive integer factors of 77809 that divides 77809 without a remainder.

1, 17, 23, 199, 391, 3383, 4577

Step-4: Factors of 77813

List of positive integer factors of 77813 that divides 77809 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77809 and 77813. The biggest common factor number is the GCF number.
So the greatest common factor 77809 and 77813 is 1.

Also check out the Least Common Multiple of 77809 and 77813