What is the Greatest Common Factor of 28158 and 28162?

Greatest common factor (GCF) of 28158 and 28162 is 2.

GCF(28158,28162) = 2

We will now calculate the prime factors of 28158 and 28162, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28158 and 28162.

How to find the GCF of 28158 and 28162?

We will first find the prime factorization of 28158 and 28162. After we will calculate the factors of 28158 and 28162 and find the biggest common factor number .

Step-1: Prime Factorization of 28158

Prime factors of 28158 are 2, 3, 13, 19. Prime factorization of 28158 in exponential form is:

28158 = 2¹ × 3¹ × 13¹ × 19²

Step-2: Prime Factorization of 28162

Prime factors of 28162 are 2, 14081. Prime factorization of 28162 in exponential form is:

28162 = 2¹ × 14081¹

Step-3: Factors of 28158

List of positive integer factors of 28158 that divides 28158 without a remainder.

1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 361, 494, 722, 741, 1083, 1482, 2166, 4693, 9386, 14079

Step-4: Factors of 28162

List of positive integer factors of 28162 that divides 28158 without a remainder.

1, 2, 14081

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28158 and 28162. The biggest common factor number is the GCF number.
So the greatest common factor 28158 and 28162 is 2.

Also check out the Least Common Multiple of 28158 and 28162