What is the Greatest Common Factor of 6680 and 6685?

Greatest common factor (GCF) of 6680 and 6685 is 5.

GCF(6680,6685) = 5

We will now calculate the prime factors of 6680 and 6685, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6680 and 6685.

How to find the GCF of 6680 and 6685?

We will first find the prime factorization of 6680 and 6685. After we will calculate the factors of 6680 and 6685 and find the biggest common factor number .

Step-1: Prime Factorization of 6680

Prime factors of 6680 are 2, 5, 167. Prime factorization of 6680 in exponential form is:

6680 = 2³ × 5¹ × 167¹

Step-2: Prime Factorization of 6685

Prime factors of 6685 are 5, 7, 191. Prime factorization of 6685 in exponential form is:

6685 = 5¹ × 7¹ × 191¹

Step-3: Factors of 6680

List of positive integer factors of 6680 that divides 6680 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340

Step-4: Factors of 6685

List of positive integer factors of 6685 that divides 6680 without a remainder.

1, 5, 7, 35, 191, 955, 1337

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6680 and 6685. The biggest common factor number is the GCF number.
So the greatest common factor 6680 and 6685 is 5.

Also check out the Least Common Multiple of 6680 and 6685