What is the Greatest Common Factor of 84158 and 84170?

Greatest common factor (GCF) of 84158 and 84170 is 2.

GCF(84158,84170) = 2

We will now calculate the prime factors of 84158 and 84170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84158 and 84170.

How to find the GCF of 84158 and 84170?

We will first find the prime factorization of 84158 and 84170. After we will calculate the factors of 84158 and 84170 and find the biggest common factor number .

Step-1: Prime Factorization of 84158

Prime factors of 84158 are 2, 29, 1451. Prime factorization of 84158 in exponential form is:

84158 = 2¹ × 29¹ × 1451¹

Step-2: Prime Factorization of 84170

Prime factors of 84170 are 2, 5, 19, 443. Prime factorization of 84170 in exponential form is:

84170 = 2¹ × 5¹ × 19¹ × 443¹

Step-3: Factors of 84158

List of positive integer factors of 84158 that divides 84158 without a remainder.

1, 2, 29, 58, 1451, 2902, 42079

Step-4: Factors of 84170

List of positive integer factors of 84170 that divides 84158 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 443, 886, 2215, 4430, 8417, 16834, 42085

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84158 and 84170. The biggest common factor number is the GCF number.
So the greatest common factor 84158 and 84170 is 2.

Also check out the Least Common Multiple of 84158 and 84170