What is the Greatest Common Factor of 8391 and 8408?

Greatest common factor (GCF) of 8391 and 8408 is 1.

GCF(8391,8408) = 1

We will now calculate the prime factors of 8391 and 8408, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8391 and 8408.

How to find the GCF of 8391 and 8408?

We will first find the prime factorization of 8391 and 8408. After we will calculate the factors of 8391 and 8408 and find the biggest common factor number .

Step-1: Prime Factorization of 8391

Prime factors of 8391 are 3, 2797. Prime factorization of 8391 in exponential form is:

8391 = 3¹ × 2797¹

Step-2: Prime Factorization of 8408

Prime factors of 8408 are 2, 1051. Prime factorization of 8408 in exponential form is:

8408 = 2³ × 1051¹

Step-3: Factors of 8391

List of positive integer factors of 8391 that divides 8391 without a remainder.

1, 3, 2797

Step-4: Factors of 8408

List of positive integer factors of 8408 that divides 8391 without a remainder.

1, 2, 4, 8, 1051, 2102, 4204

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8391 and 8408. The biggest common factor number is the GCF number.
So the greatest common factor 8391 and 8408 is 1.

Also check out the Least Common Multiple of 8391 and 8408