What is the Greatest Common Factor of 19005 and 19021?

Greatest common factor (GCF) of 19005 and 19021 is 1.

GCF(19005,19021) = 1

We will now calculate the prime factors of 19005 and 19021, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19005 and 19021.

How to find the GCF of 19005 and 19021?

We will first find the prime factorization of 19005 and 19021. After we will calculate the factors of 19005 and 19021 and find the biggest common factor number .

Step-1: Prime Factorization of 19005

Prime factors of 19005 are 3, 5, 7, 181. Prime factorization of 19005 in exponential form is:

19005 = 3¹ × 5¹ × 7¹ × 181¹

Step-2: Prime Factorization of 19021

Prime factors of 19021 are 23, 827. Prime factorization of 19021 in exponential form is:

19021 = 23¹ × 827¹

Step-3: Factors of 19005

List of positive integer factors of 19005 that divides 19005 without a remainder.

1, 3, 5, 7, 15, 21, 35, 105, 181, 543, 905, 1267, 2715, 3801, 6335

Step-4: Factors of 19021

List of positive integer factors of 19021 that divides 19005 without a remainder.

1, 23, 827

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19005 and 19021. The biggest common factor number is the GCF number.
So the greatest common factor 19005 and 19021 is 1.

Also check out the Least Common Multiple of 19005 and 19021