What is the Greatest Common Factor of 7123 and 7138?

Greatest common factor (GCF) of 7123 and 7138 is 1.

GCF(7123,7138) = 1

We will now calculate the prime factors of 7123 and 7138, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7123 and 7138.

How to find the GCF of 7123 and 7138?

We will first find the prime factorization of 7123 and 7138. After we will calculate the factors of 7123 and 7138 and find the biggest common factor number .

Step-1: Prime Factorization of 7123

Prime factors of 7123 are 17, 419. Prime factorization of 7123 in exponential form is:

7123 = 17¹ × 419¹

Step-2: Prime Factorization of 7138

Prime factors of 7138 are 2, 43, 83. Prime factorization of 7138 in exponential form is:

7138 = 2¹ × 43¹ × 83¹

Step-3: Factors of 7123

List of positive integer factors of 7123 that divides 7123 without a remainder.

1, 17, 419

Step-4: Factors of 7138

List of positive integer factors of 7138 that divides 7123 without a remainder.

1, 2, 43, 83, 86, 166, 3569

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7123 and 7138. The biggest common factor number is the GCF number.
So the greatest common factor 7123 and 7138 is 1.

Also check out the Least Common Multiple of 7123 and 7138