What is the Greatest Common Factor of 20320 and 20329?

Greatest common factor (GCF) of 20320 and 20329 is 1.

GCF(20320,20329) = 1

We will now calculate the prime factors of 20320 and 20329, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20320 and 20329.

How to find the GCF of 20320 and 20329?

We will first find the prime factorization of 20320 and 20329. After we will calculate the factors of 20320 and 20329 and find the biggest common factor number .

Step-1: Prime Factorization of 20320

Prime factors of 20320 are 2, 5, 127. Prime factorization of 20320 in exponential form is:

20320 = 2⁵ × 5¹ × 127¹

Step-2: Prime Factorization of 20329

Prime factors of 20329 are 29, 701. Prime factorization of 20329 in exponential form is:

20329 = 29¹ × 701¹

Step-3: Factors of 20320

List of positive integer factors of 20320 that divides 20320 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160

Step-4: Factors of 20329

List of positive integer factors of 20329 that divides 20320 without a remainder.

1, 29, 701

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20320 and 20329. The biggest common factor number is the GCF number.
So the greatest common factor 20320 and 20329 is 1.

Also check out the Least Common Multiple of 20320 and 20329