What is the Greatest Common Factor of 65538 and 65547?

Greatest common factor (GCF) of 65538 and 65547 is 9.

GCF(65538,65547) = 9

We will now calculate the prime factors of 65538 and 65547, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65538 and 65547.

How to find the GCF of 65538 and 65547?

We will first find the prime factorization of 65538 and 65547. After we will calculate the factors of 65538 and 65547 and find the biggest common factor number .

Step-1: Prime Factorization of 65538

Prime factors of 65538 are 2, 3, 11, 331. Prime factorization of 65538 in exponential form is:

65538 = 2¹ × 3² × 11¹ × 331¹

Step-2: Prime Factorization of 65547

Prime factors of 65547 are 3, 7283. Prime factorization of 65547 in exponential form is:

65547 = 3² × 7283¹

Step-3: Factors of 65538

List of positive integer factors of 65538 that divides 65538 without a remainder.

1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 331, 662, 993, 1986, 2979, 3641, 5958, 7282, 10923, 21846, 32769

Step-4: Factors of 65547

List of positive integer factors of 65547 that divides 65538 without a remainder.

1, 3, 9, 7283, 21849

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65538 and 65547. The biggest common factor number is the GCF number.
So the greatest common factor 65538 and 65547 is 9.

Also check out the Least Common Multiple of 65538 and 65547