GCF and LCM Calculator Logo

What is the Greatest Common Factor of 20429 and 20443?

Greatest common factor (GCF) of 20429 and 20443 is 1.

GCF(20429,20443) = 1

We will now calculate the prime factors of 20429 and 20443, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20429 and 20443.

GCF Calculator and
and

How to find the GCF of 20429 and 20443?

We will first find the prime factorization of 20429 and 20443. After we will calculate the factors of 20429 and 20443 and find the biggest common factor number .

Step-1: Prime Factorization of 20429

Prime factors of 20429 are 31, 659. Prime factorization of 20429 in exponential form is:

20429 = 311 × 6591

Step-2: Prime Factorization of 20443

Prime factors of 20443 are 20443. Prime factorization of 20443 in exponential form is:

20443 = 204431

Step-3: Factors of 20429

List of positive integer factors of 20429 that divides 20429 without a remainder.

1, 31, 659

Step-4: Factors of 20443

List of positive integer factors of 20443 that divides 20429 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20429 and 20443. The biggest common factor number is the GCF number.
So the greatest common factor 20429 and 20443 is 1.

Also check out the Least Common Multiple of 20429 and 20443