What is the Greatest Common Factor of 31156 and 31166?

Greatest common factor (GCF) of 31156 and 31166 is 2.

GCF(31156,31166) = 2

We will now calculate the prime factors of 31156 and 31166, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31156 and 31166.

How to find the GCF of 31156 and 31166?

We will first find the prime factorization of 31156 and 31166. After we will calculate the factors of 31156 and 31166 and find the biggest common factor number .

Step-1: Prime Factorization of 31156

Prime factors of 31156 are 2, 7789. Prime factorization of 31156 in exponential form is:

31156 = 2² × 7789¹

Step-2: Prime Factorization of 31166

Prime factors of 31166 are 2, 15583. Prime factorization of 31166 in exponential form is:

31166 = 2¹ × 15583¹

Step-3: Factors of 31156

List of positive integer factors of 31156 that divides 31156 without a remainder.

1, 2, 4, 7789, 15578

Step-4: Factors of 31166

List of positive integer factors of 31166 that divides 31156 without a remainder.

1, 2, 15583

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31156 and 31166. The biggest common factor number is the GCF number.
So the greatest common factor 31156 and 31166 is 2.

Also check out the Least Common Multiple of 31156 and 31166