What is the Greatest Common Factor of 5215 and 5221?

Greatest common factor (GCF) of 5215 and 5221 is 1.

GCF(5215,5221) = 1

We will now calculate the prime factors of 5215 and 5221, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5215 and 5221.

How to find the GCF of 5215 and 5221?

We will first find the prime factorization of 5215 and 5221. After we will calculate the factors of 5215 and 5221 and find the biggest common factor number .

Step-1: Prime Factorization of 5215

Prime factors of 5215 are 5, 7, 149. Prime factorization of 5215 in exponential form is:

5215 = 5¹ × 7¹ × 149¹

Step-2: Prime Factorization of 5221

Prime factors of 5221 are 23, 227. Prime factorization of 5221 in exponential form is:

5221 = 23¹ × 227¹

Step-3: Factors of 5215

List of positive integer factors of 5215 that divides 5215 without a remainder.

1, 5, 7, 35, 149, 745, 1043

Step-4: Factors of 5221

List of positive integer factors of 5221 that divides 5215 without a remainder.

1, 23, 227

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5215 and 5221. The biggest common factor number is the GCF number.
So the greatest common factor 5215 and 5221 is 1.

Also check out the Least Common Multiple of 5215 and 5221