What is the Greatest Common Factor of 31921 and 31930?

Greatest common factor (GCF) of 31921 and 31930 is 1.

GCF(31921,31930) = 1

We will now calculate the prime factors of 31921 and 31930, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31921 and 31930.

How to find the GCF of 31921 and 31930?

We will first find the prime factorization of 31921 and 31930. After we will calculate the factors of 31921 and 31930 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 31930

Prime factors of 31930 are 2, 5, 31, 103. Prime factorization of 31930 in exponential form is:

31930 = 2¹ × 5¹ × 31¹ × 103¹

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 31930

List of positive integer factors of 31930 that divides 31921 without a remainder.

1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 3193, 6386, 15965

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31921 and 31930. The biggest common factor number is the GCF number.
So the greatest common factor 31921 and 31930 is 1.

Also check out the Least Common Multiple of 31921 and 31930