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What is the Greatest Common Factor of 3931 and 3942?

Greatest common factor (GCF) of 3931 and 3942 is 1.

GCF(3931,3942) = 1

We will now calculate the prime factors of 3931 and 3942, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3931 and 3942.

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How to find the GCF of 3931 and 3942?

We will first find the prime factorization of 3931 and 3942. After we will calculate the factors of 3931 and 3942 and find the biggest common factor number .

Step-1: Prime Factorization of 3931

Prime factors of 3931 are 3931. Prime factorization of 3931 in exponential form is:

3931 = 39311

Step-2: Prime Factorization of 3942

Prime factors of 3942 are 2, 3, 73. Prime factorization of 3942 in exponential form is:

3942 = 21 × 33 × 731

Step-3: Factors of 3931

List of positive integer factors of 3931 that divides 3931 without a remainder.

1

Step-4: Factors of 3942

List of positive integer factors of 3942 that divides 3931 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3931 and 3942. The biggest common factor number is the GCF number.
So the greatest common factor 3931 and 3942 is 1.

Also check out the Least Common Multiple of 3931 and 3942