What is the Greatest Common Factor of 31105 and 31109?

Greatest common factor (GCF) of 31105 and 31109 is 1.

GCF(31105,31109) = 1

We will now calculate the prime factors of 31105 and 31109, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31105 and 31109.

How to find the GCF of 31105 and 31109?

We will first find the prime factorization of 31105 and 31109. After we will calculate the factors of 31105 and 31109 and find the biggest common factor number .

Step-1: Prime Factorization of 31105

Prime factors of 31105 are 5, 6221. Prime factorization of 31105 in exponential form is:

31105 = 5¹ × 6221¹

Step-2: Prime Factorization of 31109

Prime factors of 31109 are 13, 2393. Prime factorization of 31109 in exponential form is:

31109 = 13¹ × 2393¹

Step-3: Factors of 31105

List of positive integer factors of 31105 that divides 31105 without a remainder.

1, 5, 6221

Step-4: Factors of 31109

List of positive integer factors of 31109 that divides 31105 without a remainder.

1, 13, 2393

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31105 and 31109. The biggest common factor number is the GCF number.
So the greatest common factor 31105 and 31109 is 1.

Also check out the Least Common Multiple of 31105 and 31109