What is the Greatest Common Factor of 20018 and 20036?

Greatest common factor (GCF) of 20018 and 20036 is 2.

GCF(20018,20036) = 2

We will now calculate the prime factors of 20018 and 20036, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20018 and 20036.

How to find the GCF of 20018 and 20036?

We will first find the prime factorization of 20018 and 20036. After we will calculate the factors of 20018 and 20036 and find the biggest common factor number .

Step-1: Prime Factorization of 20018

Prime factors of 20018 are 2, 10009. Prime factorization of 20018 in exponential form is:

20018 = 2¹ × 10009¹

Step-2: Prime Factorization of 20036

Prime factors of 20036 are 2, 5009. Prime factorization of 20036 in exponential form is:

20036 = 2² × 5009¹

Step-3: Factors of 20018

List of positive integer factors of 20018 that divides 20018 without a remainder.

1, 2, 10009

Step-4: Factors of 20036

List of positive integer factors of 20036 that divides 20018 without a remainder.

1, 2, 4, 5009, 10018

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20018 and 20036. The biggest common factor number is the GCF number.
So the greatest common factor 20018 and 20036 is 2.

Also check out the Least Common Multiple of 20018 and 20036