What is the Greatest Common Factor of 42158 and 42166?

Greatest common factor (GCF) of 42158 and 42166 is 2.

GCF(42158,42166) = 2

We will now calculate the prime factors of 42158 and 42166, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42158 and 42166.

How to find the GCF of 42158 and 42166?

We will first find the prime factorization of 42158 and 42166. After we will calculate the factors of 42158 and 42166 and find the biggest common factor number .

Step-1: Prime Factorization of 42158

Prime factors of 42158 are 2, 107, 197. Prime factorization of 42158 in exponential form is:

42158 = 2¹ × 107¹ × 197¹

Step-2: Prime Factorization of 42166

Prime factors of 42166 are 2, 29, 727. Prime factorization of 42166 in exponential form is:

42166 = 2¹ × 29¹ × 727¹

Step-3: Factors of 42158

List of positive integer factors of 42158 that divides 42158 without a remainder.

1, 2, 107, 197, 214, 394, 21079

Step-4: Factors of 42166

List of positive integer factors of 42166 that divides 42158 without a remainder.

1, 2, 29, 58, 727, 1454, 21083

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42158 and 42166. The biggest common factor number is the GCF number.
So the greatest common factor 42158 and 42166 is 2.

Also check out the Least Common Multiple of 42158 and 42166