What is the Greatest Common Factor of 31581 and 31593?

Greatest common factor (GCF) of 31581 and 31593 is 3.

GCF(31581,31593) = 3

We will now calculate the prime factors of 31581 and 31593, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31581 and 31593.

How to find the GCF of 31581 and 31593?

We will first find the prime factorization of 31581 and 31593. After we will calculate the factors of 31581 and 31593 and find the biggest common factor number .

Step-1: Prime Factorization of 31581

Prime factors of 31581 are 3, 11, 29. Prime factorization of 31581 in exponential form is:

31581 = 3² × 11² × 29¹

Step-2: Prime Factorization of 31593

Prime factors of 31593 are 3, 10531. Prime factorization of 31593 in exponential form is:

31593 = 3¹ × 10531¹

Step-3: Factors of 31581

List of positive integer factors of 31581 that divides 31581 without a remainder.

1, 3, 9, 11, 29, 33, 87, 99, 121, 261, 319, 363, 957, 1089, 2871, 3509, 10527

Step-4: Factors of 31593

List of positive integer factors of 31593 that divides 31581 without a remainder.

1, 3, 10531

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31581 and 31593. The biggest common factor number is the GCF number.
So the greatest common factor 31581 and 31593 is 3.

Also check out the Least Common Multiple of 31581 and 31593