What is the Greatest Common Factor of 17931 and 17949?

Greatest common factor (GCF) of 17931 and 17949 is 3.

GCF(17931,17949) = 3

We will now calculate the prime factors of 17931 and 17949, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17931 and 17949.

How to find the GCF of 17931 and 17949?

We will first find the prime factorization of 17931 and 17949. After we will calculate the factors of 17931 and 17949 and find the biggest common factor number .

Step-1: Prime Factorization of 17931

Prime factors of 17931 are 3, 43, 139. Prime factorization of 17931 in exponential form is:

17931 = 3¹ × 43¹ × 139¹

Step-2: Prime Factorization of 17949

Prime factors of 17949 are 3, 31, 193. Prime factorization of 17949 in exponential form is:

17949 = 3¹ × 31¹ × 193¹

Step-3: Factors of 17931

List of positive integer factors of 17931 that divides 17931 without a remainder.

1, 3, 43, 129, 139, 417, 5977

Step-4: Factors of 17949

List of positive integer factors of 17949 that divides 17931 without a remainder.

1, 3, 31, 93, 193, 579, 5983

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17931 and 17949. The biggest common factor number is the GCF number.
So the greatest common factor 17931 and 17949 is 3.

Also check out the Least Common Multiple of 17931 and 17949