What is the Greatest Common Factor of 32005 and 32020?

Greatest common factor (GCF) of 32005 and 32020 is 5.

GCF(32005,32020) = 5

We will now calculate the prime factors of 32005 and 32020, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 32005 and 32020.

How to find the GCF of 32005 and 32020?

We will first find the prime factorization of 32005 and 32020. After we will calculate the factors of 32005 and 32020 and find the biggest common factor number .

Step-1: Prime Factorization of 32005

Prime factors of 32005 are 5, 37, 173. Prime factorization of 32005 in exponential form is:

32005 = 5¹ × 37¹ × 173¹

Step-2: Prime Factorization of 32020

Prime factors of 32020 are 2, 5, 1601. Prime factorization of 32020 in exponential form is:

32020 = 2² × 5¹ × 1601¹

Step-3: Factors of 32005

List of positive integer factors of 32005 that divides 32005 without a remainder.

1, 5, 37, 173, 185, 865, 6401

Step-4: Factors of 32020

List of positive integer factors of 32020 that divides 32005 without a remainder.

1, 2, 4, 5, 10, 20, 1601, 3202, 6404, 8005, 16010

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 32005 and 32020. The biggest common factor number is the GCF number.
So the greatest common factor 32005 and 32020 is 5.

Also check out the Least Common Multiple of 32005 and 32020