What is the Greatest Common Factor of 6710 and 6721?

Greatest common factor (GCF) of 6710 and 6721 is 11.

GCF(6710,6721) = 11

We will now calculate the prime factors of 6710 and 6721, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6710 and 6721.

How to find the GCF of 6710 and 6721?

We will first find the prime factorization of 6710 and 6721. After we will calculate the factors of 6710 and 6721 and find the biggest common factor number .

Step-1: Prime Factorization of 6710

Prime factors of 6710 are 2, 5, 11, 61. Prime factorization of 6710 in exponential form is:

6710 = 2¹ × 5¹ × 11¹ × 61¹

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 6710

List of positive integer factors of 6710 that divides 6710 without a remainder.

1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355

Step-4: Factors of 6721

List of positive integer factors of 6721 that divides 6710 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6710 and 6721. The biggest common factor number is the GCF number.
So the greatest common factor 6710 and 6721 is 11.

Also check out the Least Common Multiple of 6710 and 6721