What is the Greatest Common Factor of 84138 and 84147?

Greatest common factor (GCF) of 84138 and 84147 is 3.

GCF(84138,84147) = 3

We will now calculate the prime factors of 84138 and 84147, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84138 and 84147.

How to find the GCF of 84138 and 84147?

We will first find the prime factorization of 84138 and 84147. After we will calculate the factors of 84138 and 84147 and find the biggest common factor number .

Step-1: Prime Factorization of 84138

Prime factors of 84138 are 2, 3, 37, 379. Prime factorization of 84138 in exponential form is:

84138 = 2¹ × 3¹ × 37¹ × 379¹

Step-2: Prime Factorization of 84147

Prime factors of 84147 are 3, 7, 4007. Prime factorization of 84147 in exponential form is:

84147 = 3¹ × 7¹ × 4007¹

Step-3: Factors of 84138

List of positive integer factors of 84138 that divides 84138 without a remainder.

1, 2, 3, 6, 37, 74, 111, 222, 379, 758, 1137, 2274, 14023, 28046, 42069

Step-4: Factors of 84147

List of positive integer factors of 84147 that divides 84138 without a remainder.

1, 3, 7, 21, 4007, 12021, 28049

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84138 and 84147. The biggest common factor number is the GCF number.
So the greatest common factor 84138 and 84147 is 3.

Also check out the Least Common Multiple of 84138 and 84147