What is the Greatest Common Factor of 31359 and 31365?

Greatest common factor (GCF) of 31359 and 31365 is 3.

GCF(31359,31365) = 3

We will now calculate the prime factors of 31359 and 31365, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31359 and 31365.

How to find the GCF of 31359 and 31365?

We will first find the prime factorization of 31359 and 31365. After we will calculate the factors of 31359 and 31365 and find the biggest common factor number .

Step-1: Prime Factorization of 31359

Prime factors of 31359 are 3, 10453. Prime factorization of 31359 in exponential form is:

31359 = 3¹ × 10453¹

Step-2: Prime Factorization of 31365

Prime factors of 31365 are 3, 5, 17, 41. Prime factorization of 31365 in exponential form is:

31365 = 3² × 5¹ × 17¹ × 41¹

Step-3: Factors of 31359

List of positive integer factors of 31359 that divides 31359 without a remainder.

1, 3, 10453

Step-4: Factors of 31365

List of positive integer factors of 31365 that divides 31359 without a remainder.

1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 615, 697, 765, 1845, 2091, 3485, 6273, 10455

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31359 and 31365. The biggest common factor number is the GCF number.
So the greatest common factor 31359 and 31365 is 3.

Also check out the Least Common Multiple of 31359 and 31365