What is the Greatest Common Factor of 31381 and 31389?

Greatest common factor (GCF) of 31381 and 31389 is 1.

GCF(31381,31389) = 1

We will now calculate the prime factors of 31381 and 31389, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31381 and 31389.

How to find the GCF of 31381 and 31389?

We will first find the prime factorization of 31381 and 31389. After we will calculate the factors of 31381 and 31389 and find the biggest common factor number .

Step-1: Prime Factorization of 31381

Prime factors of 31381 are 7, 4483. Prime factorization of 31381 in exponential form is:

31381 = 7¹ × 4483¹

Step-2: Prime Factorization of 31389

Prime factors of 31389 are 3, 10463. Prime factorization of 31389 in exponential form is:

31389 = 3¹ × 10463¹

Step-3: Factors of 31381

List of positive integer factors of 31381 that divides 31381 without a remainder.

1, 7, 4483

Step-4: Factors of 31389

List of positive integer factors of 31389 that divides 31381 without a remainder.

1, 3, 10463

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31381 and 31389. The biggest common factor number is the GCF number.
So the greatest common factor 31381 and 31389 is 1.

Also check out the Least Common Multiple of 31381 and 31389