What is the Greatest Common Factor of 31921 and 31939?

Greatest common factor (GCF) of 31921 and 31939 is 1.

GCF(31921,31939) = 1

We will now calculate the prime factors of 31921 and 31939, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31921 and 31939.

How to find the GCF of 31921 and 31939?

We will first find the prime factorization of 31921 and 31939. After we will calculate the factors of 31921 and 31939 and find the biggest common factor number .

Step-1: Prime Factorization of 31921

Prime factors of 31921 are 137, 233. Prime factorization of 31921 in exponential form is:

31921 = 137¹ × 233¹

Step-2: Prime Factorization of 31939

Prime factors of 31939 are 19, 41. Prime factorization of 31939 in exponential form is:

31939 = 19¹ × 41²

Step-3: Factors of 31921

List of positive integer factors of 31921 that divides 31921 without a remainder.

1, 137, 233

Step-4: Factors of 31939

List of positive integer factors of 31939 that divides 31921 without a remainder.

1, 19, 41, 779, 1681

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31921 and 31939. The biggest common factor number is the GCF number.
So the greatest common factor 31921 and 31939 is 1.

Also check out the Least Common Multiple of 31921 and 31939