What is the Greatest Common Factor of 63538 and 63558?

Greatest common factor (GCF) of 63538 and 63558 is 2.

GCF(63538,63558) = 2

We will now calculate the prime factors of 63538 and 63558, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63538 and 63558.

How to find the GCF of 63538 and 63558?

We will first find the prime factorization of 63538 and 63558. After we will calculate the factors of 63538 and 63558 and find the biggest common factor number .

Step-1: Prime Factorization of 63538

Prime factors of 63538 are 2, 31769. Prime factorization of 63538 in exponential form is:

63538 = 2¹ × 31769¹

Step-2: Prime Factorization of 63558

Prime factors of 63558 are 2, 3, 11, 107. Prime factorization of 63558 in exponential form is:

63558 = 2¹ × 3³ × 11¹ × 107¹

Step-3: Factors of 63538

List of positive integer factors of 63538 that divides 63538 without a remainder.

1, 2, 31769

Step-4: Factors of 63558

List of positive integer factors of 63558 that divides 63538 without a remainder.

1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 107, 198, 214, 297, 321, 594, 642, 963, 1177, 1926, 2354, 2889, 3531, 5778, 7062, 10593, 21186, 31779

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63538 and 63558. The biggest common factor number is the GCF number.
So the greatest common factor 63538 and 63558 is 2.

Also check out the Least Common Multiple of 63538 and 63558