What is the Greatest Common Factor of 31839 and 31845?

Greatest common factor (GCF) of 31839 and 31845 is 3.

GCF(31839,31845) = 3

We will now calculate the prime factors of 31839 and 31845, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31839 and 31845.

How to find the GCF of 31839 and 31845?

We will first find the prime factorization of 31839 and 31845. After we will calculate the factors of 31839 and 31845 and find the biggest common factor number .

Step-1: Prime Factorization of 31839

Prime factors of 31839 are 3, 10613. Prime factorization of 31839 in exponential form is:

31839 = 3¹ × 10613¹

Step-2: Prime Factorization of 31845

Prime factors of 31845 are 3, 5, 11, 193. Prime factorization of 31845 in exponential form is:

31845 = 3¹ × 5¹ × 11¹ × 193¹

Step-3: Factors of 31839

List of positive integer factors of 31839 that divides 31839 without a remainder.

1, 3, 10613

Step-4: Factors of 31845

List of positive integer factors of 31845 that divides 31839 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 193, 579, 965, 2123, 2895, 6369, 10615

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31839 and 31845. The biggest common factor number is the GCF number.
So the greatest common factor 31839 and 31845 is 3.

Also check out the Least Common Multiple of 31839 and 31845