What is the Greatest Common Factor of 78904 and 78908?

Greatest common factor (GCF) of 78904 and 78908 is 4.

GCF(78904,78908) = 4

We will now calculate the prime factors of 78904 and 78908, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78904 and 78908.

How to find the GCF of 78904 and 78908?

We will first find the prime factorization of 78904 and 78908. After we will calculate the factors of 78904 and 78908 and find the biggest common factor number .

Step-1: Prime Factorization of 78904

Prime factors of 78904 are 2, 7, 1409. Prime factorization of 78904 in exponential form is:

78904 = 2³ × 7¹ × 1409¹

Step-2: Prime Factorization of 78908

Prime factors of 78908 are 2, 19727. Prime factorization of 78908 in exponential form is:

78908 = 2² × 19727¹

Step-3: Factors of 78904

List of positive integer factors of 78904 that divides 78904 without a remainder.

1, 2, 4, 7, 8, 14, 28, 56, 1409, 2818, 5636, 9863, 11272, 19726, 39452

Step-4: Factors of 78908

List of positive integer factors of 78908 that divides 78904 without a remainder.

1, 2, 4, 19727, 39454

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78904 and 78908. The biggest common factor number is the GCF number.
So the greatest common factor 78904 and 78908 is 4.

Also check out the Least Common Multiple of 78904 and 78908