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What is the Greatest Common Factor of 47790 and 47809?

Greatest common factor (GCF) of 47790 and 47809 is 1.

GCF(47790,47809) = 1

We will now calculate the prime factors of 47790 and 47809, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47790 and 47809.

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How to find the GCF of 47790 and 47809?

We will first find the prime factorization of 47790 and 47809. After we will calculate the factors of 47790 and 47809 and find the biggest common factor number .

Step-1: Prime Factorization of 47790

Prime factors of 47790 are 2, 3, 5, 59. Prime factorization of 47790 in exponential form is:

47790 = 21 × 34 × 51 × 591

Step-2: Prime Factorization of 47809

Prime factors of 47809 are 47809. Prime factorization of 47809 in exponential form is:

47809 = 478091

Step-3: Factors of 47790

List of positive integer factors of 47790 that divides 47790 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 59, 81, 90, 118, 135, 162, 177, 270, 295, 354, 405, 531, 590, 810, 885, 1062, 1593, 1770, 2655, 3186, 4779, 5310, 7965, 9558, 15930, 23895

Step-4: Factors of 47809

List of positive integer factors of 47809 that divides 47790 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47790 and 47809. The biggest common factor number is the GCF number.
So the greatest common factor 47790 and 47809 is 1.

Also check out the Least Common Multiple of 47790 and 47809