What is the Greatest Common Factor of 78186 and 78202?

Greatest common factor (GCF) of 78186 and 78202 is 2.

GCF(78186,78202) = 2

We will now calculate the prime factors of 78186 and 78202, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78186 and 78202.

How to find the GCF of 78186 and 78202?

We will first find the prime factorization of 78186 and 78202. After we will calculate the factors of 78186 and 78202 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 78202

Prime factors of 78202 are 2, 61, 641. Prime factorization of 78202 in exponential form is:

78202 = 2¹ × 61¹ × 641¹

Step-3: Factors of 78186

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

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

Step-4: Factors of 78202

List of positive integer factors of 78202 that divides 78186 without a remainder.

1, 2, 61, 122, 641, 1282, 39101

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78186 and 78202. The biggest common factor number is the GCF number.
So the greatest common factor 78186 and 78202 is 2.

Also check out the Least Common Multiple of 78186 and 78202