What is the Greatest Common Factor of 78846 and 78856?

Greatest common factor (GCF) of 78846 and 78856 is 2.

GCF(78846,78856) = 2

We will now calculate the prime factors of 78846 and 78856, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78846 and 78856.

How to find the GCF of 78846 and 78856?

We will first find the prime factorization of 78846 and 78856. After we will calculate the factors of 78846 and 78856 and find the biggest common factor number .

Step-1: Prime Factorization of 78846

Prime factors of 78846 are 2, 3, 17, 773. Prime factorization of 78846 in exponential form is:

78846 = 2¹ × 3¹ × 17¹ × 773¹

Step-2: Prime Factorization of 78856

Prime factors of 78856 are 2, 9857. Prime factorization of 78856 in exponential form is:

78856 = 2³ × 9857¹

Step-3: Factors of 78846

List of positive integer factors of 78846 that divides 78846 without a remainder.

1, 2, 3, 6, 17, 34, 51, 102, 773, 1546, 2319, 4638, 13141, 26282, 39423

Step-4: Factors of 78856

List of positive integer factors of 78856 that divides 78846 without a remainder.

1, 2, 4, 8, 9857, 19714, 39428

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78846 and 78856. The biggest common factor number is the GCF number.
So the greatest common factor 78846 and 78856 is 2.

Also check out the Least Common Multiple of 78846 and 78856