What is the Greatest Common Factor of 27210 and 27220?

Greatest common factor (GCF) of 27210 and 27220 is 10.

GCF(27210,27220) = 10

We will now calculate the prime factors of 27210 and 27220, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27210 and 27220.

How to find the GCF of 27210 and 27220?

We will first find the prime factorization of 27210 and 27220. After we will calculate the factors of 27210 and 27220 and find the biggest common factor number .

Step-1: Prime Factorization of 27210

Prime factors of 27210 are 2, 3, 5, 907. Prime factorization of 27210 in exponential form is:

27210 = 2¹ × 3¹ × 5¹ × 907¹

Step-2: Prime Factorization of 27220

Prime factors of 27220 are 2, 5, 1361. Prime factorization of 27220 in exponential form is:

27220 = 2² × 5¹ × 1361¹

Step-3: Factors of 27210

List of positive integer factors of 27210 that divides 27210 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 907, 1814, 2721, 4535, 5442, 9070, 13605

Step-4: Factors of 27220

List of positive integer factors of 27220 that divides 27210 without a remainder.

1, 2, 4, 5, 10, 20, 1361, 2722, 5444, 6805, 13610

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27210 and 27220. The biggest common factor number is the GCF number.
So the greatest common factor 27210 and 27220 is 10.

Also check out the Least Common Multiple of 27210 and 27220