What is the Greatest Common Factor of 8003 and 8021?

Greatest common factor (GCF) of 8003 and 8021 is 1.

GCF(8003,8021) = 1

We will now calculate the prime factors of 8003 and 8021, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8003 and 8021.

How to find the GCF of 8003 and 8021?

We will first find the prime factorization of 8003 and 8021. After we will calculate the factors of 8003 and 8021 and find the biggest common factor number .

Step-1: Prime Factorization of 8003

Prime factors of 8003 are 53, 151. Prime factorization of 8003 in exponential form is:

8003 = 53¹ × 151¹

Step-2: Prime Factorization of 8021

Prime factors of 8021 are 13, 617. Prime factorization of 8021 in exponential form is:

8021 = 13¹ × 617¹

Step-3: Factors of 8003

List of positive integer factors of 8003 that divides 8003 without a remainder.

1, 53, 151

Step-4: Factors of 8021

List of positive integer factors of 8021 that divides 8003 without a remainder.

1, 13, 617

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8003 and 8021. The biggest common factor number is the GCF number.
So the greatest common factor 8003 and 8021 is 1.

Also check out the Least Common Multiple of 8003 and 8021