What is the Greatest Common Factor of 20209 and 20217?

Greatest common factor (GCF) of 20209 and 20217 is 1.

GCF(20209,20217) = 1

We will now calculate the prime factors of 20209 and 20217, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20209 and 20217.

How to find the GCF of 20209 and 20217?

We will first find the prime factorization of 20209 and 20217. After we will calculate the factors of 20209 and 20217 and find the biggest common factor number .

Step-1: Prime Factorization of 20209

Prime factors of 20209 are 7, 2887. Prime factorization of 20209 in exponential form is:

20209 = 7¹ × 2887¹

Step-2: Prime Factorization of 20217

Prime factors of 20217 are 3, 23, 293. Prime factorization of 20217 in exponential form is:

20217 = 3¹ × 23¹ × 293¹

Step-3: Factors of 20209

List of positive integer factors of 20209 that divides 20209 without a remainder.

1, 7, 2887

Step-4: Factors of 20217

List of positive integer factors of 20217 that divides 20209 without a remainder.

1, 3, 23, 69, 293, 879, 6739

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20209 and 20217. The biggest common factor number is the GCF number.
So the greatest common factor 20209 and 20217 is 1.

Also check out the Least Common Multiple of 20209 and 20217