What is the Greatest Common Factor of 7156 and 7170?

Greatest common factor (GCF) of 7156 and 7170 is 2.

GCF(7156,7170) = 2

We will now calculate the prime factors of 7156 and 7170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7156 and 7170.

How to find the GCF of 7156 and 7170?

We will first find the prime factorization of 7156 and 7170. After we will calculate the factors of 7156 and 7170 and find the biggest common factor number .

Step-1: Prime Factorization of 7156

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

7156 = 2² × 1789¹

Step-2: Prime Factorization of 7170

Prime factors of 7170 are 2, 3, 5, 239. Prime factorization of 7170 in exponential form is:

7170 = 2¹ × 3¹ × 5¹ × 239¹

Step-3: Factors of 7156

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

1, 2, 4, 1789, 3578

Step-4: Factors of 7170

List of positive integer factors of 7170 that divides 7156 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 239, 478, 717, 1195, 1434, 2390, 3585

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7156 and 7170. The biggest common factor number is the GCF number.
So the greatest common factor 7156 and 7170 is 2.

Also check out the Least Common Multiple of 7156 and 7170