What is the Greatest Common Factor of 64530 and 64539?

Greatest common factor (GCF) of 64530 and 64539 is 9.

GCF(64530,64539) = 9

We will now calculate the prime factors of 64530 and 64539, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64530 and 64539.

How to find the GCF of 64530 and 64539?

We will first find the prime factorization of 64530 and 64539. After we will calculate the factors of 64530 and 64539 and find the biggest common factor number .

Step-1: Prime Factorization of 64530

Prime factors of 64530 are 2, 3, 5, 239. Prime factorization of 64530 in exponential form is:

64530 = 2¹ × 3³ × 5¹ × 239¹

Step-2: Prime Factorization of 64539

Prime factors of 64539 are 3, 71, 101. Prime factorization of 64539 in exponential form is:

64539 = 3² × 71¹ × 101¹

Step-3: Factors of 64530

List of positive integer factors of 64530 that divides 64530 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 239, 270, 478, 717, 1195, 1434, 2151, 2390, 3585, 4302, 6453, 7170, 10755, 12906, 21510, 32265

Step-4: Factors of 64539

List of positive integer factors of 64539 that divides 64530 without a remainder.

1, 3, 9, 71, 101, 213, 303, 639, 909, 7171, 21513

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64530 and 64539. The biggest common factor number is the GCF number.
So the greatest common factor 64530 and 64539 is 9.

Also check out the Least Common Multiple of 64530 and 64539