What is the Greatest Common Factor of 6649 and 6665?

Greatest common factor (GCF) of 6649 and 6665 is 1.

GCF(6649,6665) = 1

We will now calculate the prime factors of 6649 and 6665, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6649 and 6665.

How to find the GCF of 6649 and 6665?

We will first find the prime factorization of 6649 and 6665. After we will calculate the factors of 6649 and 6665 and find the biggest common factor number .

Step-1: Prime Factorization of 6649

Prime factors of 6649 are 61, 109. Prime factorization of 6649 in exponential form is:

6649 = 61¹ × 109¹

Step-2: Prime Factorization of 6665

Prime factors of 6665 are 5, 31, 43. Prime factorization of 6665 in exponential form is:

6665 = 5¹ × 31¹ × 43¹

Step-3: Factors of 6649

List of positive integer factors of 6649 that divides 6649 without a remainder.

1, 61, 109

Step-4: Factors of 6665

List of positive integer factors of 6665 that divides 6649 without a remainder.

1, 5, 31, 43, 155, 215, 1333

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6649 and 6665. The biggest common factor number is the GCF number.
So the greatest common factor 6649 and 6665 is 1.

Also check out the Least Common Multiple of 6649 and 6665