What is the Greatest Common Factor of 78166 and 78186?

Greatest common factor (GCF) of 78166 and 78186 is 2.

GCF(78166,78186) = 2

We will now calculate the prime factors of 78166 and 78186, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78166 and 78186.

How to find the GCF of 78166 and 78186?

We will first find the prime factorization of 78166 and 78186. After we will calculate the factors of 78166 and 78186 and find the biggest common factor number .

Step-1: Prime Factorization of 78166

Prime factors of 78166 are 2, 11, 17, 19. Prime factorization of 78166 in exponential form is:

78166 = 2¹ × 11² × 17¹ × 19¹

Step-2: Prime Factorization of 78186

Prime factors of 78186 are 2, 3, 83, 157. Prime factorization of 78186 in exponential form is:

78186 = 2¹ × 3¹ × 83¹ × 157¹

Step-3: Factors of 78166

List of positive integer factors of 78166 that divides 78166 without a remainder.

1, 2, 11, 17, 19, 22, 34, 38, 121, 187, 209, 242, 323, 374, 418, 646, 2057, 2299, 3553, 4114, 4598, 7106, 39083

Step-4: Factors of 78186

List of positive integer factors of 78186 that divides 78166 without a remainder.

1, 2, 3, 6, 83, 157, 166, 249, 314, 471, 498, 942, 13031, 26062, 39093

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78166 and 78186. The biggest common factor number is the GCF number.
So the greatest common factor 78166 and 78186 is 2.

Also check out the Least Common Multiple of 78166 and 78186