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What is the Greatest Common Factor of 19653 and 19671?

Greatest common factor (GCF) of 19653 and 19671 is 3.

GCF(19653,19671) = 3

We will now calculate the prime factors of 19653 and 19671, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19653 and 19671.

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How to find the GCF of 19653 and 19671?

We will first find the prime factorization of 19653 and 19671. After we will calculate the factors of 19653 and 19671 and find the biggest common factor number .

Step-1: Prime Factorization of 19653

Prime factors of 19653 are 3, 6551. Prime factorization of 19653 in exponential form is:

19653 = 31 × 65511

Step-2: Prime Factorization of 19671

Prime factors of 19671 are 3, 79, 83. Prime factorization of 19671 in exponential form is:

19671 = 31 × 791 × 831

Step-3: Factors of 19653

List of positive integer factors of 19653 that divides 19653 without a remainder.

1, 3, 6551

Step-4: Factors of 19671

List of positive integer factors of 19671 that divides 19653 without a remainder.

1, 3, 79, 83, 237, 249, 6557

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19653 and 19671. The biggest common factor number is the GCF number.
So the greatest common factor 19653 and 19671 is 3.

Also check out the Least Common Multiple of 19653 and 19671