What is the Greatest Common Factor of 31108 and 31115?

Greatest common factor (GCF) of 31108 and 31115 is 7.

GCF(31108,31115) = 7

We will now calculate the prime factors of 31108 and 31115, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31108 and 31115.

How to find the GCF of 31108 and 31115?

We will first find the prime factorization of 31108 and 31115. After we will calculate the factors of 31108 and 31115 and find the biggest common factor number .

Step-1: Prime Factorization of 31108

Prime factors of 31108 are 2, 7, 11, 101. Prime factorization of 31108 in exponential form is:

31108 = 2² × 7¹ × 11¹ × 101¹

Step-2: Prime Factorization of 31115

Prime factors of 31115 are 5, 7, 127. Prime factorization of 31115 in exponential form is:

31115 = 5¹ × 7² × 127¹

Step-3: Factors of 31108

List of positive integer factors of 31108 that divides 31108 without a remainder.

1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 154, 202, 308, 404, 707, 1111, 1414, 2222, 2828, 4444, 7777, 15554

Step-4: Factors of 31115

List of positive integer factors of 31115 that divides 31108 without a remainder.

1, 5, 7, 35, 49, 127, 245, 635, 889, 4445, 6223

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31108 and 31115. The biggest common factor number is the GCF number.
So the greatest common factor 31108 and 31115 is 7.

Also check out the Least Common Multiple of 31108 and 31115