What is the Greatest Common Factor of 65538 and 65549?

Greatest common factor (GCF) of 65538 and 65549 is 11.

GCF(65538,65549) = 11

We will now calculate the prime factors of 65538 and 65549, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65538 and 65549.

How to find the GCF of 65538 and 65549?

We will first find the prime factorization of 65538 and 65549. After we will calculate the factors of 65538 and 65549 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 65549

Prime factors of 65549 are 11, 59, 101. Prime factorization of 65549 in exponential form is:

65549 = 11¹ × 59¹ × 101¹

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 65549

List of positive integer factors of 65549 that divides 65538 without a remainder.

1, 11, 59, 101, 649, 1111, 5959

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65538 and 65549. The biggest common factor number is the GCF number.
So the greatest common factor 65538 and 65549 is 11.

Also check out the Least Common Multiple of 65538 and 65549