What is the Greatest Common Factor of 87172 and 87178?

Greatest common factor (GCF) of 87172 and 87178 is 2.

GCF(87172,87178) = 2

We will now calculate the prime factors of 87172 and 87178, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87172 and 87178.

How to find the GCF of 87172 and 87178?

We will first find the prime factorization of 87172 and 87178. After we will calculate the factors of 87172 and 87178 and find the biggest common factor number .

Step-1: Prime Factorization of 87172

Prime factors of 87172 are 2, 19, 31, 37. Prime factorization of 87172 in exponential form is:

87172 = 2² × 19¹ × 31¹ × 37¹

Step-2: Prime Factorization of 87178

Prime factors of 87178 are 2, 7, 13, 479. Prime factorization of 87178 in exponential form is:

87178 = 2¹ × 7¹ × 13¹ × 479¹

Step-3: Factors of 87172

List of positive integer factors of 87172 that divides 87172 without a remainder.

1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 589, 703, 1147, 1178, 1406, 2294, 2356, 2812, 4588, 21793, 43586

Step-4: Factors of 87178

List of positive integer factors of 87178 that divides 87172 without a remainder.

1, 2, 7, 13, 14, 26, 91, 182, 479, 958, 3353, 6227, 6706, 12454, 43589

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87172 and 87178. The biggest common factor number is the GCF number.
So the greatest common factor 87172 and 87178 is 2.

Also check out the Least Common Multiple of 87172 and 87178