What is the Greatest Common Factor of 10521 and 10530?

Greatest common factor (GCF) of 10521 and 10530 is 9.

GCF(10521,10530) = 9

We will now calculate the prime factors of 10521 and 10530, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10521 and 10530.

How to find the GCF of 10521 and 10530?

We will first find the prime factorization of 10521 and 10530. After we will calculate the factors of 10521 and 10530 and find the biggest common factor number .

Step-1: Prime Factorization of 10521

Prime factors of 10521 are 3, 7, 167. Prime factorization of 10521 in exponential form is:

10521 = 3² × 7¹ × 167¹

Step-2: Prime Factorization of 10530

Prime factors of 10530 are 2, 3, 5, 13. Prime factorization of 10530 in exponential form is:

10530 = 2¹ × 3⁴ × 5¹ × 13¹

Step-3: Factors of 10521

List of positive integer factors of 10521 that divides 10521 without a remainder.

1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 3507

Step-4: Factors of 10530

List of positive integer factors of 10530 that divides 10521 without a remainder.

1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 3510, 5265

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10521 and 10530. The biggest common factor number is the GCF number.
So the greatest common factor 10521 and 10530 is 9.

Also check out the Least Common Multiple of 10521 and 10530