What is the Greatest Common Factor of 7122 and 7138?

Greatest common factor (GCF) of 7122 and 7138 is 2.

GCF(7122,7138) = 2

We will now calculate the prime factors of 7122 and 7138, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7122 and 7138.

How to find the GCF of 7122 and 7138?

We will first find the prime factorization of 7122 and 7138. After we will calculate the factors of 7122 and 7138 and find the biggest common factor number .

Step-1: Prime Factorization of 7122

Prime factors of 7122 are 2, 3, 1187. Prime factorization of 7122 in exponential form is:

7122 = 2¹ × 3¹ × 1187¹

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 7122

List of positive integer factors of 7122 that divides 7122 without a remainder.

1, 2, 3, 6, 1187, 2374, 3561

Step-4: Factors of 7138

List of positive integer factors of 7138 that divides 7122 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7122 and 7138. The biggest common factor number is the GCF number.
So the greatest common factor 7122 and 7138 is 2.

Also check out the Least Common Multiple of 7122 and 7138