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What is the Greatest Common Factor of 83940 and 83960?

Greatest common factor (GCF) of 83940 and 83960 is 20.

GCF(83940,83960) = 20

We will now calculate the prime factors of 83940 and 83960, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 83940 and 83960.

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How to find the GCF of 83940 and 83960?

We will first find the prime factorization of 83940 and 83960. After we will calculate the factors of 83940 and 83960 and find the biggest common factor number .

Step-1: Prime Factorization of 83940

Prime factors of 83940 are 2, 3, 5, 1399. Prime factorization of 83940 in exponential form is:

83940 = 22 × 31 × 51 × 13991

Step-2: Prime Factorization of 83960

Prime factors of 83960 are 2, 5, 2099. Prime factorization of 83960 in exponential form is:

83960 = 23 × 51 × 20991

Step-3: Factors of 83940

List of positive integer factors of 83940 that divides 83940 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1399, 2798, 4197, 5596, 6995, 8394, 13990, 16788, 20985, 27980, 41970

Step-4: Factors of 83960

List of positive integer factors of 83960 that divides 83940 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 2099, 4198, 8396, 10495, 16792, 20990, 41980

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 83940 and 83960. The biggest common factor number is the GCF number.
So the greatest common factor 83940 and 83960 is 20.

Also check out the Least Common Multiple of 83940 and 83960