What is the Greatest Common Factor of 78820 and 78839?

Greatest common factor (GCF) of 78820 and 78839 is 1.

GCF(78820,78839) = 1

We will now calculate the prime factors of 78820 and 78839, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78820 and 78839.

How to find the GCF of 78820 and 78839?

We will first find the prime factorization of 78820 and 78839. After we will calculate the factors of 78820 and 78839 and find the biggest common factor number .

Step-1: Prime Factorization of 78820

Prime factors of 78820 are 2, 5, 7, 563. Prime factorization of 78820 in exponential form is:

78820 = 2² × 5¹ × 7¹ × 563¹

Step-2: Prime Factorization of 78839

Prime factors of 78839 are 78839. Prime factorization of 78839 in exponential form is:

78839 = 78839¹

Step-3: Factors of 78820

List of positive integer factors of 78820 that divides 78820 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563, 1126, 2252, 2815, 3941, 5630, 7882, 11260, 15764, 19705, 39410

Step-4: Factors of 78839

List of positive integer factors of 78839 that divides 78820 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78820 and 78839. The biggest common factor number is the GCF number.
So the greatest common factor 78820 and 78839 is 1.

Also check out the Least Common Multiple of 78820 and 78839