What is the Greatest Common Factor of 20009 and 20013?

Greatest common factor (GCF) of 20009 and 20013 is 1.

GCF(20009,20013) = 1

We will now calculate the prime factors of 20009 and 20013, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20009 and 20013.

How to find the GCF of 20009 and 20013?

We will first find the prime factorization of 20009 and 20013. After we will calculate the factors of 20009 and 20013 and find the biggest common factor number .

Step-1: Prime Factorization of 20009

Prime factors of 20009 are 11, 17, 107. Prime factorization of 20009 in exponential form is:

20009 = 11¹ × 17¹ × 107¹

Step-2: Prime Factorization of 20013

Prime factors of 20013 are 3, 7, 953. Prime factorization of 20013 in exponential form is:

20013 = 3¹ × 7¹ × 953¹

Step-3: Factors of 20009

List of positive integer factors of 20009 that divides 20009 without a remainder.

1, 11, 17, 107, 187, 1177, 1819

Step-4: Factors of 20013

List of positive integer factors of 20013 that divides 20009 without a remainder.

1, 3, 7, 21, 953, 2859, 6671

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20009 and 20013. The biggest common factor number is the GCF number.
So the greatest common factor 20009 and 20013 is 1.

Also check out the Least Common Multiple of 20009 and 20013