What is the Greatest Common Factor of 47178 and 47187?

Greatest common factor (GCF) of 47178 and 47187 is 9.

GCF(47178,47187) = 9

We will now calculate the prime factors of 47178 and 47187, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47178 and 47187.

How to find the GCF of 47178 and 47187?

We will first find the prime factorization of 47178 and 47187. After we will calculate the factors of 47178 and 47187 and find the biggest common factor number .

Step-1: Prime Factorization of 47178

Prime factors of 47178 are 2, 3, 2621. Prime factorization of 47178 in exponential form is:

47178 = 2¹ × 3² × 2621¹

Step-2: Prime Factorization of 47187

Prime factors of 47187 are 3, 7, 107. Prime factorization of 47187 in exponential form is:

47187 = 3² × 7² × 107¹

Step-3: Factors of 47178

List of positive integer factors of 47178 that divides 47178 without a remainder.

1, 2, 3, 6, 9, 18, 2621, 5242, 7863, 15726, 23589

Step-4: Factors of 47187

List of positive integer factors of 47187 that divides 47178 without a remainder.

1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 2247, 5243, 6741, 15729

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47178 and 47187. The biggest common factor number is the GCF number.
So the greatest common factor 47178 and 47187 is 9.

Also check out the Least Common Multiple of 47178 and 47187