What is the Greatest Common Factor of 31115 and 31125?

Greatest common factor (GCF) of 31115 and 31125 is 5.

GCF(31115,31125) = 5

We will now calculate the prime factors of 31115 and 31125, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31115 and 31125.

How to find the GCF of 31115 and 31125?

We will first find the prime factorization of 31115 and 31125. After we will calculate the factors of 31115 and 31125 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 31125

Prime factors of 31125 are 3, 5, 83. Prime factorization of 31125 in exponential form is:

31125 = 3¹ × 5³ × 83¹

Step-3: Factors of 31115

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

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

Step-4: Factors of 31125

List of positive integer factors of 31125 that divides 31115 without a remainder.

1, 3, 5, 15, 25, 75, 83, 125, 249, 375, 415, 1245, 2075, 6225, 10375

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31115 and 31125. The biggest common factor number is the GCF number.
So the greatest common factor 31115 and 31125 is 5.

Also check out the Least Common Multiple of 31115 and 31125