What is the Greatest Common Factor of 3111 and 3128?

Greatest common factor (GCF) of 3111 and 3128 is 17.

GCF(3111,3128) = 17

We will now calculate the prime factors of 3111 and 3128, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3111 and 3128.

How to find the GCF of 3111 and 3128?

We will first find the prime factorization of 3111 and 3128. After we will calculate the factors of 3111 and 3128 and find the biggest common factor number .

Step-1: Prime Factorization of 3111

Prime factors of 3111 are 3, 17, 61. Prime factorization of 3111 in exponential form is:

3111 = 3¹ × 17¹ × 61¹

Step-2: Prime Factorization of 3128

Prime factors of 3128 are 2, 17, 23. Prime factorization of 3128 in exponential form is:

3128 = 2³ × 17¹ × 23¹

Step-3: Factors of 3111

List of positive integer factors of 3111 that divides 3111 without a remainder.

1, 3, 17, 51, 61, 183, 1037

Step-4: Factors of 3128

List of positive integer factors of 3128 that divides 3111 without a remainder.

1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3111 and 3128. The biggest common factor number is the GCF number.
So the greatest common factor 3111 and 3128 is 17.

Also check out the Least Common Multiple of 3111 and 3128