What is the Greatest Common Factor of 31208 and 31218?

Greatest common factor (GCF) of 31208 and 31218 is 2.

GCF(31208,31218) = 2

We will now calculate the prime factors of 31208 and 31218, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31208 and 31218.

How to find the GCF of 31208 and 31218?

We will first find the prime factorization of 31208 and 31218. After we will calculate the factors of 31208 and 31218 and find the biggest common factor number .

Step-1: Prime Factorization of 31208

Prime factors of 31208 are 2, 47, 83. Prime factorization of 31208 in exponential form is:

31208 = 2³ × 47¹ × 83¹

Step-2: 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-3: Factors of 31208

List of positive integer factors of 31208 that divides 31208 without a remainder.

1, 2, 4, 8, 47, 83, 94, 166, 188, 332, 376, 664, 3901, 7802, 15604

Step-4: Factors of 31218

List of positive integer factors of 31218 that divides 31208 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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31208 and 31218. The biggest common factor number is the GCF number.
So the greatest common factor 31208 and 31218 is 2.

Also check out the Least Common Multiple of 31208 and 31218