What is the Greatest Common Factor of 7142 and 7156?

Greatest common factor (GCF) of 7142 and 7156 is 2.

GCF(7142,7156) = 2

We will now calculate the prime factors of 7142 and 7156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7142 and 7156.

How to find the GCF of 7142 and 7156?

We will first find the prime factorization of 7142 and 7156. After we will calculate the factors of 7142 and 7156 and find the biggest common factor number .

Step-1: Prime Factorization of 7142

Prime factors of 7142 are 2, 3571. Prime factorization of 7142 in exponential form is:

7142 = 2¹ × 3571¹

Step-2: Prime Factorization of 7156

Prime factors of 7156 are 2, 1789. Prime factorization of 7156 in exponential form is:

7156 = 2² × 1789¹

Step-3: Factors of 7142

List of positive integer factors of 7142 that divides 7142 without a remainder.

1, 2, 3571

Step-4: Factors of 7156

List of positive integer factors of 7156 that divides 7142 without a remainder.

1, 2, 4, 1789, 3578

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7142 and 7156. The biggest common factor number is the GCF number.
So the greatest common factor 7142 and 7156 is 2.

Also check out the Least Common Multiple of 7142 and 7156