What is the Greatest Common Factor of 78726 and 78742?

Greatest common factor (GCF) of 78726 and 78742 is 2.

GCF(78726,78742) = 2

We will now calculate the prime factors of 78726 and 78742, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78726 and 78742.

How to find the GCF of 78726 and 78742?

We will first find the prime factorization of 78726 and 78742. After we will calculate the factors of 78726 and 78742 and find the biggest common factor number .

Step-1: Prime Factorization of 78726

Prime factors of 78726 are 2, 3, 13121. Prime factorization of 78726 in exponential form is:

78726 = 2¹ × 3¹ × 13121¹

Step-2: Prime Factorization of 78742

Prime factors of 78742 are 2, 39371. Prime factorization of 78742 in exponential form is:

78742 = 2¹ × 39371¹

Step-3: Factors of 78726

List of positive integer factors of 78726 that divides 78726 without a remainder.

1, 2, 3, 6, 13121, 26242, 39363

Step-4: Factors of 78742

List of positive integer factors of 78742 that divides 78726 without a remainder.

1, 2, 39371

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78726 and 78742. The biggest common factor number is the GCF number.
So the greatest common factor 78726 and 78742 is 2.

Also check out the Least Common Multiple of 78726 and 78742