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What is the Greatest Common Factor of 15878 and 15882?

Greatest common factor (GCF) of 15878 and 15882 is 2.

GCF(15878,15882) = 2

We will now calculate the prime factors of 15878 and 15882, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15878 and 15882.

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How to find the GCF of 15878 and 15882?

We will first find the prime factorization of 15878 and 15882. After we will calculate the factors of 15878 and 15882 and find the biggest common factor number .

Step-1: Prime Factorization of 15878

Prime factors of 15878 are 2, 17, 467. Prime factorization of 15878 in exponential form is:

15878 = 21 × 171 × 4671

Step-2: Prime Factorization of 15882

Prime factors of 15882 are 2, 3, 2647. Prime factorization of 15882 in exponential form is:

15882 = 21 × 31 × 26471

Step-3: Factors of 15878

List of positive integer factors of 15878 that divides 15878 without a remainder.

1, 2, 17, 34, 467, 934, 7939

Step-4: Factors of 15882

List of positive integer factors of 15882 that divides 15878 without a remainder.

1, 2, 3, 6, 2647, 5294, 7941

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15878 and 15882. The biggest common factor number is the GCF number.
So the greatest common factor 15878 and 15882 is 2.

Also check out the Least Common Multiple of 15878 and 15882