What is the Greatest Common Factor of 19623 and 19629?

Greatest common factor (GCF) of 19623 and 19629 is 3.

GCF(19623,19629) = 3

We will now calculate the prime factors of 19623 and 19629, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19623 and 19629.

How to find the GCF of 19623 and 19629?

We will first find the prime factorization of 19623 and 19629. After we will calculate the factors of 19623 and 19629 and find the biggest common factor number .

Step-1: Prime Factorization of 19623

Prime factors of 19623 are 3, 31, 211. Prime factorization of 19623 in exponential form is:

19623 = 3¹ × 31¹ × 211¹

Step-2: Prime Factorization of 19629

Prime factors of 19629 are 3, 727. Prime factorization of 19629 in exponential form is:

19629 = 3³ × 727¹

Step-3: Factors of 19623

List of positive integer factors of 19623 that divides 19623 without a remainder.

1, 3, 31, 93, 211, 633, 6541

Step-4: Factors of 19629

List of positive integer factors of 19629 that divides 19623 without a remainder.

1, 3, 9, 27, 727, 2181, 6543

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19623 and 19629. The biggest common factor number is the GCF number.
So the greatest common factor 19623 and 19629 is 3.

Also check out the Least Common Multiple of 19623 and 19629