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What is the Greatest Common Factor of 872 and 876?

Greatest common factor (GCF) of 872 and 876 is 4.

GCF(872,876) = 4

We will now calculate the prime factors of 872 and 876, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 872 and 876.

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How to find the GCF of 872 and 876?

We will first find the prime factorization of 872 and 876. After we will calculate the factors of 872 and 876 and find the biggest common factor number .

Step-1: Prime Factorization of 872

Prime factors of 872 are 2, 109. Prime factorization of 872 in exponential form is:

872 = 23 × 1091

Step-2: Prime Factorization of 876

Prime factors of 876 are 2, 3, 73. Prime factorization of 876 in exponential form is:

876 = 22 × 31 × 731

Step-3: Factors of 872

List of positive integer factors of 872 that divides 872 without a remainder.

1, 2, 4, 8, 109, 218, 436

Step-4: Factors of 876

List of positive integer factors of 876 that divides 872 without a remainder.

1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 872 and 876. The biggest common factor number is the GCF number.
So the greatest common factor 872 and 876 is 4.

Also check out the Least Common Multiple of 872 and 876