What is the Greatest Common Factor of 12520 and 12530?

Greatest common factor (GCF) of 12520 and 12530 is 10.

GCF(12520,12530) = 10

We will now calculate the prime factors of 12520 and 12530, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12520 and 12530.

How to find the GCF of 12520 and 12530?

We will first find the prime factorization of 12520 and 12530. After we will calculate the factors of 12520 and 12530 and find the biggest common factor number .

Step-1: Prime Factorization of 12520

Prime factors of 12520 are 2, 5, 313. Prime factorization of 12520 in exponential form is:

12520 = 2³ × 5¹ × 313¹

Step-2: Prime Factorization of 12530

Prime factors of 12530 are 2, 5, 7, 179. Prime factorization of 12530 in exponential form is:

12530 = 2¹ × 5¹ × 7¹ × 179¹

Step-3: Factors of 12520

List of positive integer factors of 12520 that divides 12520 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260

Step-4: Factors of 12530

List of positive integer factors of 12530 that divides 12520 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1790, 2506, 6265

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12520 and 12530. The biggest common factor number is the GCF number.
So the greatest common factor 12520 and 12530 is 10.

Also check out the Least Common Multiple of 12520 and 12530