GCF and LCM Calculator Logo

What is the Greatest Common Factor of 20393 and 20397?

Greatest common factor (GCF) of 20393 and 20397 is 1.

GCF(20393,20397) = 1

We will now calculate the prime factors of 20393 and 20397, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20393 and 20397.

GCF Calculator and
and

How to find the GCF of 20393 and 20397?

We will first find the prime factorization of 20393 and 20397. After we will calculate the factors of 20393 and 20397 and find the biggest common factor number .

Step-1: Prime Factorization of 20393

Prime factors of 20393 are 20393. Prime factorization of 20393 in exponential form is:

20393 = 203931

Step-2: Prime Factorization of 20397

Prime factors of 20397 are 3, 13, 523. Prime factorization of 20397 in exponential form is:

20397 = 31 × 131 × 5231

Step-3: Factors of 20393

List of positive integer factors of 20393 that divides 20393 without a remainder.

1

Step-4: Factors of 20397

List of positive integer factors of 20397 that divides 20393 without a remainder.

1, 3, 13, 39, 523, 1569, 6799

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20393 and 20397. The biggest common factor number is the GCF number.
So the greatest common factor 20393 and 20397 is 1.

Also check out the Least Common Multiple of 20393 and 20397