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What is the Greatest Common Factor of 83906 and 83920?

Greatest common factor (GCF) of 83906 and 83920 is 2.

GCF(83906,83920) = 2

We will now calculate the prime factors of 83906 and 83920, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 83906 and 83920.

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How to find the GCF of 83906 and 83920?

We will first find the prime factorization of 83906 and 83920. After we will calculate the factors of 83906 and 83920 and find the biggest common factor number .

Step-1: Prime Factorization of 83906

Prime factors of 83906 are 2, 41953. Prime factorization of 83906 in exponential form is:

83906 = 21 × 419531

Step-2: Prime Factorization of 83920

Prime factors of 83920 are 2, 5, 1049. Prime factorization of 83920 in exponential form is:

83920 = 24 × 51 × 10491

Step-3: Factors of 83906

List of positive integer factors of 83906 that divides 83906 without a remainder.

1, 2, 41953

Step-4: Factors of 83920

List of positive integer factors of 83920 that divides 83906 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1049, 2098, 4196, 5245, 8392, 10490, 16784, 20980, 41960

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 83906 and 83920. The biggest common factor number is the GCF number.
So the greatest common factor 83906 and 83920 is 2.

Also check out the Least Common Multiple of 83906 and 83920