What is the Greatest Common Factor of 30158 and 30170?

Greatest common factor (GCF) of 30158 and 30170 is 2.

GCF(30158,30170) = 2

We will now calculate the prime factors of 30158 and 30170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30158 and 30170.

How to find the GCF of 30158 and 30170?

We will first find the prime factorization of 30158 and 30170. After we will calculate the factors of 30158 and 30170 and find the biggest common factor number .

Step-1: Prime Factorization of 30158

Prime factors of 30158 are 2, 17, 887. Prime factorization of 30158 in exponential form is:

30158 = 2¹ × 17¹ × 887¹

Step-2: Prime Factorization of 30170

Prime factors of 30170 are 2, 5, 7, 431. Prime factorization of 30170 in exponential form is:

30170 = 2¹ × 5¹ × 7¹ × 431¹

Step-3: Factors of 30158

List of positive integer factors of 30158 that divides 30158 without a remainder.

1, 2, 17, 34, 887, 1774, 15079

Step-4: Factors of 30170

List of positive integer factors of 30170 that divides 30158 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 431, 862, 2155, 3017, 4310, 6034, 15085

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30158 and 30170. The biggest common factor number is the GCF number.
So the greatest common factor 30158 and 30170 is 2.

Also check out the Least Common Multiple of 30158 and 30170