What is the Greatest Common Factor of 2191 and 2210?

Greatest common factor (GCF) of 2191 and 2210 is 1.

GCF(2191,2210) = 1

We will now calculate the prime factors of 2191 and 2210, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2191 and 2210.

How to find the GCF of 2191 and 2210?

We will first find the prime factorization of 2191 and 2210. After we will calculate the factors of 2191 and 2210 and find the biggest common factor number .

Step-1: Prime Factorization of 2191

Prime factors of 2191 are 7, 313. Prime factorization of 2191 in exponential form is:

2191 = 7¹ × 313¹

Step-2: Prime Factorization of 2210

Prime factors of 2210 are 2, 5, 13, 17. Prime factorization of 2210 in exponential form is:

2210 = 2¹ × 5¹ × 13¹ × 17¹

Step-3: Factors of 2191

List of positive integer factors of 2191 that divides 2191 without a remainder.

1, 7, 313

Step-4: Factors of 2210

List of positive integer factors of 2210 that divides 2191 without a remainder.

1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2191 and 2210. The biggest common factor number is the GCF number.
So the greatest common factor 2191 and 2210 is 1.

Also check out the Least Common Multiple of 2191 and 2210