What is the Greatest Common Factor of 31105 and 31110?

Greatest common factor (GCF) of 31105 and 31110 is 5.

GCF(31105,31110) = 5

We will now calculate the prime factors of 31105 and 31110, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31105 and 31110.

How to find the GCF of 31105 and 31110?

We will first find the prime factorization of 31105 and 31110. After we will calculate the factors of 31105 and 31110 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 31110

Prime factors of 31110 are 2, 3, 5, 17, 61. Prime factorization of 31110 in exponential form is:

31110 = 2¹ × 3¹ × 5¹ × 17¹ × 61¹

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 31110

List of positive integer factors of 31110 that divides 31105 without a remainder.

1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 61, 85, 102, 122, 170, 183, 255, 305, 366, 510, 610, 915, 1037, 1830, 2074, 3111, 5185, 6222, 10370, 15555

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31105 and 31110. The biggest common factor number is the GCF number.
So the greatest common factor 31105 and 31110 is 5.

Also check out the Least Common Multiple of 31105 and 31110