What is the Greatest Common Factor of 20835 and 20843?

Greatest common factor (GCF) of 20835 and 20843 is 1.

GCF(20835,20843) = 1

We will now calculate the prime factors of 20835 and 20843, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20835 and 20843.

How to find the GCF of 20835 and 20843?

We will first find the prime factorization of 20835 and 20843. After we will calculate the factors of 20835 and 20843 and find the biggest common factor number .

Step-1: Prime Factorization of 20835

Prime factors of 20835 are 3, 5, 463. Prime factorization of 20835 in exponential form is:

20835 = 3² × 5¹ × 463¹

Step-2: Prime Factorization of 20843

Prime factors of 20843 are 19, 1097. Prime factorization of 20843 in exponential form is:

20843 = 19¹ × 1097¹

Step-3: Factors of 20835

List of positive integer factors of 20835 that divides 20835 without a remainder.

1, 3, 5, 9, 15, 45, 463, 1389, 2315, 4167, 6945

Step-4: Factors of 20843

List of positive integer factors of 20843 that divides 20835 without a remainder.

1, 19, 1097

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20835 and 20843. The biggest common factor number is the GCF number.
So the greatest common factor 20835 and 20843 is 1.

Also check out the Least Common Multiple of 20835 and 20843