What is the Greatest Common Factor of 31218 and 31231?

Greatest common factor (GCF) of 31218 and 31231 is 1.

GCF(31218,31231) = 1

We will now calculate the prime factors of 31218 and 31231, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31218 and 31231.

How to find the GCF of 31218 and 31231?

We will first find the prime factorization of 31218 and 31231. After we will calculate the factors of 31218 and 31231 and find the biggest common factor number .

Step-1: Prime Factorization of 31218

Prime factors of 31218 are 2, 3, 11, 43. Prime factorization of 31218 in exponential form is:

31218 = 2¹ × 3¹ × 11² × 43¹

Step-2: Prime Factorization of 31231

Prime factors of 31231 are 31231. Prime factorization of 31231 in exponential form is:

31231 = 31231¹

Step-3: Factors of 31218

List of positive integer factors of 31218 that divides 31218 without a remainder.

1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 121, 129, 242, 258, 363, 473, 726, 946, 1419, 2838, 5203, 10406, 15609

Step-4: Factors of 31231

List of positive integer factors of 31231 that divides 31218 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31218 and 31231. The biggest common factor number is the GCF number.
So the greatest common factor 31218 and 31231 is 1.

Also check out the Least Common Multiple of 31218 and 31231