What is the Greatest Common Factor of 78795 and 78815?

Greatest common factor (GCF) of 78795 and 78815 is 5.

GCF(78795,78815) = 5

We will now calculate the prime factors of 78795 and 78815, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78795 and 78815.

How to find the GCF of 78795 and 78815?

We will first find the prime factorization of 78795 and 78815. After we will calculate the factors of 78795 and 78815 and find the biggest common factor number .

Step-1: Prime Factorization of 78795

Prime factors of 78795 are 3, 5, 17, 103. Prime factorization of 78795 in exponential form is:

78795 = 3² × 5¹ × 17¹ × 103¹

Step-2: Prime Factorization of 78815

Prime factors of 78815 are 5, 11, 1433. Prime factorization of 78815 in exponential form is:

78815 = 5¹ × 11¹ × 1433¹

Step-3: Factors of 78795

List of positive integer factors of 78795 that divides 78795 without a remainder.

1, 3, 5, 9, 15, 17, 45, 51, 85, 103, 153, 255, 309, 515, 765, 927, 1545, 1751, 4635, 5253, 8755, 15759, 26265

Step-4: Factors of 78815

List of positive integer factors of 78815 that divides 78795 without a remainder.

1, 5, 11, 55, 1433, 7165, 15763

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78795 and 78815. The biggest common factor number is the GCF number.
So the greatest common factor 78795 and 78815 is 5.

Also check out the Least Common Multiple of 78795 and 78815