What is the Greatest Common Factor of 83156 and 83170?

Greatest common factor (GCF) of 83156 and 83170 is 2.

GCF(83156,83170) = 2

We will now calculate the prime factors of 83156 and 83170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 83156 and 83170.

How to find the GCF of 83156 and 83170?

We will first find the prime factorization of 83156 and 83170. After we will calculate the factors of 83156 and 83170 and find the biggest common factor number .

Step-1: Prime Factorization of 83156

Prime factors of 83156 are 2, 20789. Prime factorization of 83156 in exponential form is:

83156 = 2² × 20789¹

Step-2: Prime Factorization of 83170

Prime factors of 83170 are 2, 5, 8317. Prime factorization of 83170 in exponential form is:

83170 = 2¹ × 5¹ × 8317¹

Step-3: Factors of 83156

List of positive integer factors of 83156 that divides 83156 without a remainder.

1, 2, 4, 20789, 41578

Step-4: Factors of 83170

List of positive integer factors of 83170 that divides 83156 without a remainder.

1, 2, 5, 10, 8317, 16634, 41585

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 83156 and 83170. The biggest common factor number is the GCF number.
So the greatest common factor 83156 and 83170 is 2.

Also check out the Least Common Multiple of 83156 and 83170