What is the Greatest Common Factor of 31666 and 31678?

Greatest common factor (GCF) of 31666 and 31678 is 2.

GCF(31666,31678) = 2

We will now calculate the prime factors of 31666 and 31678, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31666 and 31678.

How to find the GCF of 31666 and 31678?

We will first find the prime factorization of 31666 and 31678. After we will calculate the factors of 31666 and 31678 and find the biggest common factor number .

Step-1: Prime Factorization of 31666

Prime factors of 31666 are 2, 71, 223. Prime factorization of 31666 in exponential form is:

31666 = 2¹ × 71¹ × 223¹

Step-2: Prime Factorization of 31678

Prime factors of 31678 are 2, 47, 337. Prime factorization of 31678 in exponential form is:

31678 = 2¹ × 47¹ × 337¹

Step-3: Factors of 31666

List of positive integer factors of 31666 that divides 31666 without a remainder.

1, 2, 71, 142, 223, 446, 15833

Step-4: Factors of 31678

List of positive integer factors of 31678 that divides 31666 without a remainder.

1, 2, 47, 94, 337, 674, 15839

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31666 and 31678. The biggest common factor number is the GCF number.
So the greatest common factor 31666 and 31678 is 2.

Also check out the Least Common Multiple of 31666 and 31678