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What is the Greatest Common Factor of 33813 and 33820?

Greatest common factor (GCF) of 33813 and 33820 is 1.

GCF(33813,33820) = 1

We will now calculate the prime factors of 33813 and 33820, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 33813 and 33820.

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How to find the GCF of 33813 and 33820?

We will first find the prime factorization of 33813 and 33820. After we will calculate the factors of 33813 and 33820 and find the biggest common factor number .

Step-1: Prime Factorization of 33813

Prime factors of 33813 are 3, 13, 17. Prime factorization of 33813 in exponential form is:

33813 = 32 × 131 × 172

Step-2: Prime Factorization of 33820

Prime factors of 33820 are 2, 5, 19, 89. Prime factorization of 33820 in exponential form is:

33820 = 22 × 51 × 191 × 891

Step-3: Factors of 33813

List of positive integer factors of 33813 that divides 33813 without a remainder.

1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 289, 663, 867, 1989, 2601, 3757, 11271

Step-4: Factors of 33820

List of positive integer factors of 33820 that divides 33813 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 33813 and 33820. The biggest common factor number is the GCF number.
So the greatest common factor 33813 and 33820 is 1.

Also check out the Least Common Multiple of 33813 and 33820