What is the Greatest Common Factor of 20045 and 20061?

Greatest common factor (GCF) of 20045 and 20061 is 1.

GCF(20045,20061) = 1

We will now calculate the prime factors of 20045 and 20061, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20045 and 20061.

How to find the GCF of 20045 and 20061?

We will first find the prime factorization of 20045 and 20061. After we will calculate the factors of 20045 and 20061 and find the biggest common factor number .

Step-1: Prime Factorization of 20045

Prime factors of 20045 are 5, 19, 211. Prime factorization of 20045 in exponential form is:

20045 = 5¹ × 19¹ × 211¹

Step-2: Prime Factorization of 20061

Prime factors of 20061 are 3, 743. Prime factorization of 20061 in exponential form is:

20061 = 3³ × 743¹

Step-3: Factors of 20045

List of positive integer factors of 20045 that divides 20045 without a remainder.

1, 5, 19, 95, 211, 1055, 4009

Step-4: Factors of 20061

List of positive integer factors of 20061 that divides 20045 without a remainder.

1, 3, 9, 27, 743, 2229, 6687

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20045 and 20061. The biggest common factor number is the GCF number.
So the greatest common factor 20045 and 20061 is 1.

Also check out the Least Common Multiple of 20045 and 20061