What is the Greatest Common Factor of 25210 and 25220?

Greatest common factor (GCF) of 25210 and 25220 is 10.

GCF(25210,25220) = 10

We will now calculate the prime factors of 25210 and 25220, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25210 and 25220.

How to find the GCF of 25210 and 25220?

We will first find the prime factorization of 25210 and 25220. After we will calculate the factors of 25210 and 25220 and find the biggest common factor number .

Step-1: Prime Factorization of 25210

Prime factors of 25210 are 2, 5, 2521. Prime factorization of 25210 in exponential form is:

25210 = 2¹ × 5¹ × 2521¹

Step-2: Prime Factorization of 25220

Prime factors of 25220 are 2, 5, 13, 97. Prime factorization of 25220 in exponential form is:

25220 = 2² × 5¹ × 13¹ × 97¹

Step-3: Factors of 25210

List of positive integer factors of 25210 that divides 25210 without a remainder.

1, 2, 5, 10, 2521, 5042, 12605

Step-4: Factors of 25220

List of positive integer factors of 25220 that divides 25210 without a remainder.

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 5044, 6305, 12610

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25210 and 25220. The biggest common factor number is the GCF number.
So the greatest common factor 25210 and 25220 is 10.

Also check out the Least Common Multiple of 25210 and 25220