What is the Greatest Common Factor of 15221 and 15229?

Greatest common factor (GCF) of 15221 and 15229 is 1.

GCF(15221,15229) = 1

We will now calculate the prime factors of 15221 and 15229, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15221 and 15229.

How to find the GCF of 15221 and 15229?

We will first find the prime factorization of 15221 and 15229. After we will calculate the factors of 15221 and 15229 and find the biggest common factor number .

Step-1: Prime Factorization of 15221

Prime factors of 15221 are 31, 491. Prime factorization of 15221 in exponential form is:

15221 = 31¹ × 491¹

Step-2: Prime Factorization of 15229

Prime factors of 15229 are 97, 157. Prime factorization of 15229 in exponential form is:

15229 = 97¹ × 157¹

Step-3: Factors of 15221

List of positive integer factors of 15221 that divides 15221 without a remainder.

1, 31, 491

Step-4: Factors of 15229

List of positive integer factors of 15229 that divides 15221 without a remainder.

1, 97, 157

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15221 and 15229. The biggest common factor number is the GCF number.
So the greatest common factor 15221 and 15229 is 1.

Also check out the Least Common Multiple of 15221 and 15229