What is the Greatest Common Factor of 15221 and 15236?

Greatest common factor (GCF) of 15221 and 15236 is 1.

GCF(15221,15236) = 1

We will now calculate the prime factors of 15221 and 15236, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15221 and 15236.

How to find the GCF of 15221 and 15236?

We will first find the prime factorization of 15221 and 15236. After we will calculate the factors of 15221 and 15236 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 15236

Prime factors of 15236 are 2, 13, 293. Prime factorization of 15236 in exponential form is:

15236 = 2² × 13¹ × 293¹

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 15236

List of positive integer factors of 15236 that divides 15221 without a remainder.

1, 2, 4, 13, 26, 52, 293, 586, 1172, 3809, 7618

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15221 and 15236. The biggest common factor number is the GCF number.
So the greatest common factor 15221 and 15236 is 1.

Also check out the Least Common Multiple of 15221 and 15236