What is the Greatest Common Factor of 19047 and 19065?

Greatest common factor (GCF) of 19047 and 19065 is 3.

GCF(19047,19065) = 3

We will now calculate the prime factors of 19047 and 19065, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19047 and 19065.

How to find the GCF of 19047 and 19065?

We will first find the prime factorization of 19047 and 19065. After we will calculate the factors of 19047 and 19065 and find the biggest common factor number .

Step-1: Prime Factorization of 19047

Prime factors of 19047 are 3, 7, 907. Prime factorization of 19047 in exponential form is:

19047 = 3¹ × 7¹ × 907¹

Step-2: Prime Factorization of 19065

Prime factors of 19065 are 3, 5, 31, 41. Prime factorization of 19065 in exponential form is:

19065 = 3¹ × 5¹ × 31¹ × 41¹

Step-3: Factors of 19047

List of positive integer factors of 19047 that divides 19047 without a remainder.

1, 3, 7, 21, 907, 2721, 6349

Step-4: Factors of 19065

List of positive integer factors of 19065 that divides 19047 without a remainder.

1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1271, 3813, 6355

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19047 and 19065. The biggest common factor number is the GCF number.
So the greatest common factor 19047 and 19065 is 3.

Also check out the Least Common Multiple of 19047 and 19065