What is the Greatest Common Factor of 6715 and 6721?

Greatest common factor (GCF) of 6715 and 6721 is 1.

GCF(6715,6721) = 1

We will now calculate the prime factors of 6715 and 6721, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6715 and 6721.

How to find the GCF of 6715 and 6721?

We will first find the prime factorization of 6715 and 6721. After we will calculate the factors of 6715 and 6721 and find the biggest common factor number .

Step-1: Prime Factorization of 6715

Prime factors of 6715 are 5, 17, 79. Prime factorization of 6715 in exponential form is:

6715 = 5¹ × 17¹ × 79¹

Step-2: Prime Factorization of 6721

Prime factors of 6721 are 11, 13, 47. Prime factorization of 6721 in exponential form is:

6721 = 11¹ × 13¹ × 47¹

Step-3: Factors of 6715

List of positive integer factors of 6715 that divides 6715 without a remainder.

1, 5, 17, 79, 85, 395, 1343

Step-4: Factors of 6721

List of positive integer factors of 6721 that divides 6715 without a remainder.

1, 11, 13, 47, 143, 517, 611

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6715 and 6721. The biggest common factor number is the GCF number.
So the greatest common factor 6715 and 6721 is 1.

Also check out the Least Common Multiple of 6715 and 6721