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What is the Greatest Common Factor of 38721 and 38731?

Greatest common factor (GCF) of 38721 and 38731 is 1.

GCF(38721,38731) = 1

We will now calculate the prime factors of 38721 and 38731, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38721 and 38731.

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How to find the GCF of 38721 and 38731?

We will first find the prime factorization of 38721 and 38731. After we will calculate the factors of 38721 and 38731 and find the biggest common factor number .

Step-1: Prime Factorization of 38721

Prime factors of 38721 are 3, 12907. Prime factorization of 38721 in exponential form is:

38721 = 31 × 129071

Step-2: Prime Factorization of 38731

Prime factors of 38731 are 7, 11, 503. Prime factorization of 38731 in exponential form is:

38731 = 71 × 111 × 5031

Step-3: Factors of 38721

List of positive integer factors of 38721 that divides 38721 without a remainder.

1, 3, 12907

Step-4: Factors of 38731

List of positive integer factors of 38731 that divides 38721 without a remainder.

1, 7, 11, 77, 503, 3521, 5533

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38721 and 38731. The biggest common factor number is the GCF number.
So the greatest common factor 38721 and 38731 is 1.

Also check out the Least Common Multiple of 38721 and 38731