What is the Greatest Common Factor of 6890 and 6909?

Greatest common factor (GCF) of 6890 and 6909 is 1.

GCF(6890,6909) = 1

We will now calculate the prime factors of 6890 and 6909, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6890 and 6909.

How to find the GCF of 6890 and 6909?

We will first find the prime factorization of 6890 and 6909. After we will calculate the factors of 6890 and 6909 and find the biggest common factor number .

Step-1: Prime Factorization of 6890

Prime factors of 6890 are 2, 5, 13, 53. Prime factorization of 6890 in exponential form is:

6890 = 2¹ × 5¹ × 13¹ × 53¹

Step-2: Prime Factorization of 6909

Prime factors of 6909 are 3, 7, 47. Prime factorization of 6909 in exponential form is:

6909 = 3¹ × 7² × 47¹

Step-3: Factors of 6890

List of positive integer factors of 6890 that divides 6890 without a remainder.

1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445

Step-4: Factors of 6909

List of positive integer factors of 6909 that divides 6890 without a remainder.

1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6890 and 6909. The biggest common factor number is the GCF number.
So the greatest common factor 6890 and 6909 is 1.

Also check out the Least Common Multiple of 6890 and 6909