What is the Greatest Common Factor of 20289 and 20303?

Greatest common factor (GCF) of 20289 and 20303 is 1.

GCF(20289,20303) = 1

We will now calculate the prime factors of 20289 and 20303, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20289 and 20303.

How to find the GCF of 20289 and 20303?

We will first find the prime factorization of 20289 and 20303. After we will calculate the factors of 20289 and 20303 and find the biggest common factor number .

Step-1: Prime Factorization of 20289

Prime factors of 20289 are 3, 6763. Prime factorization of 20289 in exponential form is:

20289 = 3¹ × 6763¹

Step-2: Prime Factorization of 20303

Prime factors of 20303 are 79, 257. Prime factorization of 20303 in exponential form is:

20303 = 79¹ × 257¹

Step-3: Factors of 20289

List of positive integer factors of 20289 that divides 20289 without a remainder.

1, 3, 6763

Step-4: Factors of 20303

List of positive integer factors of 20303 that divides 20289 without a remainder.

1, 79, 257

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20289 and 20303. The biggest common factor number is the GCF number.
So the greatest common factor 20289 and 20303 is 1.

Also check out the Least Common Multiple of 20289 and 20303