What is the Greatest Common Factor of 66013 and 66020?

Greatest common factor (GCF) of 66013 and 66020 is 1.

GCF(66013,66020) = 1

We will now calculate the prime factors of 66013 and 66020, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66013 and 66020.

How to find the GCF of 66013 and 66020?

We will first find the prime factorization of 66013 and 66020. After we will calculate the factors of 66013 and 66020 and find the biggest common factor number .

Step-1: Prime Factorization of 66013

Prime factors of 66013 are 251, 263. Prime factorization of 66013 in exponential form is:

66013 = 251¹ × 263¹

Step-2: Prime Factorization of 66020

Prime factors of 66020 are 2, 5, 3301. Prime factorization of 66020 in exponential form is:

66020 = 2² × 5¹ × 3301¹

Step-3: Factors of 66013

List of positive integer factors of 66013 that divides 66013 without a remainder.

1, 251, 263

Step-4: Factors of 66020

List of positive integer factors of 66020 that divides 66013 without a remainder.

1, 2, 4, 5, 10, 20, 3301, 6602, 13204, 16505, 33010

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66013 and 66020. The biggest common factor number is the GCF number.
So the greatest common factor 66013 and 66020 is 1.

Also check out the Least Common Multiple of 66013 and 66020