What is the Greatest Common Factor of 801 and 808?

Greatest common factor (GCF) of 801 and 808 is 1.

GCF(801,808) = 1

We will now calculate the prime factors of 801 and 808, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 801 and 808.

How to find the GCF of 801 and 808?

We will first find the prime factorization of 801 and 808. After we will calculate the factors of 801 and 808 and find the biggest common factor number .

Step-1: Prime Factorization of 801

Prime factors of 801 are 3, 89. Prime factorization of 801 in exponential form is:

801 = 3² × 89¹

Step-2: Prime Factorization of 808

Prime factors of 808 are 2, 101. Prime factorization of 808 in exponential form is:

808 = 2³ × 101¹

Step-3: Factors of 801

List of positive integer factors of 801 that divides 801 without a remainder.

1, 3, 9, 89, 267

Step-4: Factors of 808

List of positive integer factors of 808 that divides 801 without a remainder.

1, 2, 4, 8, 101, 202, 404

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 801 and 808. The biggest common factor number is the GCF number.
So the greatest common factor 801 and 808 is 1.

Also check out the Least Common Multiple of 801 and 808