What is the Greatest Common Factor of 20030 and 20042?

Greatest common factor (GCF) of 20030 and 20042 is 2.

GCF(20030,20042) = 2

We will now calculate the prime factors of 20030 and 20042, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20030 and 20042.

How to find the GCF of 20030 and 20042?

We will first find the prime factorization of 20030 and 20042. After we will calculate the factors of 20030 and 20042 and find the biggest common factor number .

Step-1: Prime Factorization of 20030

Prime factors of 20030 are 2, 5, 2003. Prime factorization of 20030 in exponential form is:

20030 = 2¹ × 5¹ × 2003¹

Step-2: Prime Factorization of 20042

Prime factors of 20042 are 2, 11, 911. Prime factorization of 20042 in exponential form is:

20042 = 2¹ × 11¹ × 911¹

Step-3: Factors of 20030

List of positive integer factors of 20030 that divides 20030 without a remainder.

1, 2, 5, 10, 2003, 4006, 10015

Step-4: Factors of 20042

List of positive integer factors of 20042 that divides 20030 without a remainder.

1, 2, 11, 22, 911, 1822, 10021

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20030 and 20042. The biggest common factor number is the GCF number.
So the greatest common factor 20030 and 20042 is 2.

Also check out the Least Common Multiple of 20030 and 20042