What is the Greatest Common Factor of 68158 and 68170?

Greatest common factor (GCF) of 68158 and 68170 is 2.

GCF(68158,68170) = 2

We will now calculate the prime factors of 68158 and 68170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68158 and 68170.

How to find the GCF of 68158 and 68170?

We will first find the prime factorization of 68158 and 68170. After we will calculate the factors of 68158 and 68170 and find the biggest common factor number .

Step-1: Prime Factorization of 68158

Prime factors of 68158 are 2, 53, 643. Prime factorization of 68158 in exponential form is:

68158 = 2¹ × 53¹ × 643¹

Step-2: Prime Factorization of 68170

Prime factors of 68170 are 2, 5, 17, 401. Prime factorization of 68170 in exponential form is:

68170 = 2¹ × 5¹ × 17¹ × 401¹

Step-3: Factors of 68158

List of positive integer factors of 68158 that divides 68158 without a remainder.

1, 2, 53, 106, 643, 1286, 34079

Step-4: Factors of 68170

List of positive integer factors of 68170 that divides 68158 without a remainder.

1, 2, 5, 10, 17, 34, 85, 170, 401, 802, 2005, 4010, 6817, 13634, 34085

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68158 and 68170. The biggest common factor number is the GCF number.
So the greatest common factor 68158 and 68170 is 2.

Also check out the Least Common Multiple of 68158 and 68170