What is the Greatest Common Factor of 78815 and 78831?

Greatest common factor (GCF) of 78815 and 78831 is 1.

GCF(78815,78831) = 1

We will now calculate the prime factors of 78815 and 78831, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78815 and 78831.

How to find the GCF of 78815 and 78831?

We will first find the prime factorization of 78815 and 78831. After we will calculate the factors of 78815 and 78831 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 78831

Prime factors of 78831 are 3, 19, 461. Prime factorization of 78831 in exponential form is:

78831 = 3² × 19¹ × 461¹

Step-3: Factors of 78815

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

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

Step-4: Factors of 78831

List of positive integer factors of 78831 that divides 78815 without a remainder.

1, 3, 9, 19, 57, 171, 461, 1383, 4149, 8759, 26277

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78815 and 78831. The biggest common factor number is the GCF number.
So the greatest common factor 78815 and 78831 is 1.

Also check out the Least Common Multiple of 78815 and 78831