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What is the Greatest Common Factor of 57147 and 57165?

Greatest common factor (GCF) of 57147 and 57165 is 3.

GCF(57147,57165) = 3

We will now calculate the prime factors of 57147 and 57165, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57147 and 57165.

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How to find the GCF of 57147 and 57165?

We will first find the prime factorization of 57147 and 57165. After we will calculate the factors of 57147 and 57165 and find the biggest common factor number .

Step-1: Prime Factorization of 57147

Prime factors of 57147 are 3, 43, 443. Prime factorization of 57147 in exponential form is:

57147 = 31 × 431 × 4431

Step-2: Prime Factorization of 57165

Prime factors of 57165 are 3, 5, 37, 103. Prime factorization of 57165 in exponential form is:

57165 = 31 × 51 × 371 × 1031

Step-3: Factors of 57147

List of positive integer factors of 57147 that divides 57147 without a remainder.

1, 3, 43, 129, 443, 1329, 19049

Step-4: Factors of 57165

List of positive integer factors of 57165 that divides 57147 without a remainder.

1, 3, 5, 15, 37, 103, 111, 185, 309, 515, 555, 1545, 3811, 11433, 19055

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57147 and 57165. The biggest common factor number is the GCF number.
So the greatest common factor 57147 and 57165 is 3.

Also check out the Least Common Multiple of 57147 and 57165