What is the Greatest Common Factor of 19221 and 19235?

Greatest common factor (GCF) of 19221 and 19235 is 1.

GCF(19221,19235) = 1

We will now calculate the prime factors of 19221 and 19235, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19221 and 19235.

How to find the GCF of 19221 and 19235?

We will first find the prime factorization of 19221 and 19235. After we will calculate the factors of 19221 and 19235 and find the biggest common factor number .

Step-1: Prime Factorization of 19221

Prime factors of 19221 are 3, 43, 149. Prime factorization of 19221 in exponential form is:

19221 = 3¹ × 43¹ × 149¹

Step-2: Prime Factorization of 19235

Prime factors of 19235 are 5, 3847. Prime factorization of 19235 in exponential form is:

19235 = 5¹ × 3847¹

Step-3: Factors of 19221

List of positive integer factors of 19221 that divides 19221 without a remainder.

1, 3, 43, 129, 149, 447, 6407

Step-4: Factors of 19235

List of positive integer factors of 19235 that divides 19221 without a remainder.

1, 5, 3847

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19221 and 19235. The biggest common factor number is the GCF number.
So the greatest common factor 19221 and 19235 is 1.

Also check out the Least Common Multiple of 19221 and 19235