What is the Greatest Common Factor of 63138 and 63158?

Greatest common factor (GCF) of 63138 and 63158 is 2.

GCF(63138,63158) = 2

We will now calculate the prime factors of 63138 and 63158, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63138 and 63158.

How to find the GCF of 63138 and 63158?

We will first find the prime factorization of 63138 and 63158. After we will calculate the factors of 63138 and 63158 and find the biggest common factor number .

Step-1: Prime Factorization of 63138

Prime factors of 63138 are 2, 3, 17, 619. Prime factorization of 63138 in exponential form is:

63138 = 2¹ × 3¹ × 17¹ × 619¹

Step-2: Prime Factorization of 63158

Prime factors of 63158 are 2, 23, 1373. Prime factorization of 63158 in exponential form is:

63158 = 2¹ × 23¹ × 1373¹

Step-3: Factors of 63138

List of positive integer factors of 63138 that divides 63138 without a remainder.

1, 2, 3, 6, 17, 34, 51, 102, 619, 1238, 1857, 3714, 10523, 21046, 31569

Step-4: Factors of 63158

List of positive integer factors of 63158 that divides 63138 without a remainder.

1, 2, 23, 46, 1373, 2746, 31579

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63138 and 63158. The biggest common factor number is the GCF number.
So the greatest common factor 63138 and 63158 is 2.

Also check out the Least Common Multiple of 63138 and 63158