GCF and LCM Calculator Logo

What is the Greatest Common Factor of 7999 and 8003?

Greatest common factor (GCF) of 7999 and 8003 is 1.

GCF(7999,8003) = 1

We will now calculate the prime factors of 7999 and 8003, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7999 and 8003.

GCF Calculator and
and

How to find the GCF of 7999 and 8003?

We will first find the prime factorization of 7999 and 8003. After we will calculate the factors of 7999 and 8003 and find the biggest common factor number .

Step-1: Prime Factorization of 7999

Prime factors of 7999 are 19, 421. Prime factorization of 7999 in exponential form is:

7999 = 191 × 4211

Step-2: Prime Factorization of 8003

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

8003 = 531 × 1511

Step-3: Factors of 7999

List of positive integer factors of 7999 that divides 7999 without a remainder.

1, 19, 421

Step-4: Factors of 8003

List of positive integer factors of 8003 that divides 7999 without a remainder.

1, 53, 151

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7999 and 8003. The biggest common factor number is the GCF number.
So the greatest common factor 7999 and 8003 is 1.

Also check out the Least Common Multiple of 7999 and 8003