What is the Greatest Common Factor of 65538 and 65542?

Greatest common factor (GCF) of 65538 and 65542 is 2.

GCF(65538,65542) = 2

We will now calculate the prime factors of 65538 and 65542, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65538 and 65542.

How to find the GCF of 65538 and 65542?

We will first find the prime factorization of 65538 and 65542. After we will calculate the factors of 65538 and 65542 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 65542

Prime factors of 65542 are 2, 32771. Prime factorization of 65542 in exponential form is:

65542 = 2¹ × 32771¹

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 65542

List of positive integer factors of 65542 that divides 65538 without a remainder.

1, 2, 32771

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65538 and 65542. The biggest common factor number is the GCF number.
So the greatest common factor 65538 and 65542 is 2.

Also check out the Least Common Multiple of 65538 and 65542