What is the Greatest Common Factor of 84231 and 84243?

Greatest common factor (GCF) of 84231 and 84243 is 3.

GCF(84231,84243) = 3

We will now calculate the prime factors of 84231 and 84243, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84231 and 84243.

How to find the GCF of 84231 and 84243?

We will first find the prime factorization of 84231 and 84243. After we will calculate the factors of 84231 and 84243 and find the biggest common factor number .

Step-1: Prime Factorization of 84231

Prime factors of 84231 are 3, 7, 191. Prime factorization of 84231 in exponential form is:

84231 = 3² × 7² × 191¹

Step-2: Prime Factorization of 84243

Prime factors of 84243 are 3, 28081. Prime factorization of 84243 in exponential form is:

84243 = 3¹ × 28081¹

Step-3: Factors of 84231

List of positive integer factors of 84231 that divides 84231 without a remainder.

1, 3, 7, 9, 21, 49, 63, 147, 191, 441, 573, 1337, 1719, 4011, 9359, 12033, 28077

Step-4: Factors of 84243

List of positive integer factors of 84243 that divides 84231 without a remainder.

1, 3, 28081

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84231 and 84243. The biggest common factor number is the GCF number.
So the greatest common factor 84231 and 84243 is 3.

Also check out the Least Common Multiple of 84231 and 84243