What is the Greatest Common Factor of 31155 and 31171?

Greatest common factor (GCF) of 31155 and 31171 is 1.

GCF(31155,31171) = 1

We will now calculate the prime factors of 31155 and 31171, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31155 and 31171.

How to find the GCF of 31155 and 31171?

We will first find the prime factorization of 31155 and 31171. After we will calculate the factors of 31155 and 31171 and find the biggest common factor number .

Step-1: Prime Factorization of 31155

Prime factors of 31155 are 3, 5, 31, 67. Prime factorization of 31155 in exponential form is:

31155 = 3¹ × 5¹ × 31¹ × 67¹

Step-2: Prime Factorization of 31171

Prime factors of 31171 are 7, 61, 73. Prime factorization of 31171 in exponential form is:

31171 = 7¹ × 61¹ × 73¹

Step-3: Factors of 31155

List of positive integer factors of 31155 that divides 31155 without a remainder.

1, 3, 5, 15, 31, 67, 93, 155, 201, 335, 465, 1005, 2077, 6231, 10385

Step-4: Factors of 31171

List of positive integer factors of 31171 that divides 31155 without a remainder.

1, 7, 61, 73, 427, 511, 4453

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31155 and 31171. The biggest common factor number is the GCF number.
So the greatest common factor 31155 and 31171 is 1.

Also check out the Least Common Multiple of 31155 and 31171