What is the Greatest Common Factor of 78813 and 78830?

Greatest common factor (GCF) of 78813 and 78830 is 1.

GCF(78813,78830) = 1

We will now calculate the prime factors of 78813 and 78830, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78813 and 78830.

How to find the GCF of 78813 and 78830?

We will first find the prime factorization of 78813 and 78830. After we will calculate the factors of 78813 and 78830 and find the biggest common factor number .

Step-1: Prime Factorization of 78813

Prime factors of 78813 are 3, 7, 139. Prime factorization of 78813 in exponential form is:

78813 = 3⁴ × 7¹ × 139¹

Step-2: Prime Factorization of 78830

Prime factors of 78830 are 2, 5, 7883. Prime factorization of 78830 in exponential form is:

78830 = 2¹ × 5¹ × 7883¹

Step-3: Factors of 78813

List of positive integer factors of 78813 that divides 78813 without a remainder.

1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 417, 567, 973, 1251, 2919, 3753, 8757, 11259, 26271

Step-4: Factors of 78830

List of positive integer factors of 78830 that divides 78813 without a remainder.

1, 2, 5, 10, 7883, 15766, 39415

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78813 and 78830. The biggest common factor number is the GCF number.
So the greatest common factor 78813 and 78830 is 1.

Also check out the Least Common Multiple of 78813 and 78830