What is the Greatest Common Factor of 68374 and 68391?

Greatest common factor (GCF) of 68374 and 68391 is 17.

GCF(68374,68391) = 17

We will now calculate the prime factors of 68374 and 68391, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68374 and 68391.

How to find the GCF of 68374 and 68391?

We will first find the prime factorization of 68374 and 68391. After we will calculate the factors of 68374 and 68391 and find the biggest common factor number .

Step-1: Prime Factorization of 68374

Prime factors of 68374 are 2, 17, 2011. Prime factorization of 68374 in exponential form is:

68374 = 2¹ × 17¹ × 2011¹

Step-2: Prime Factorization of 68391

Prime factors of 68391 are 3, 17, 149. Prime factorization of 68391 in exponential form is:

68391 = 3³ × 17¹ × 149¹

Step-3: Factors of 68374

List of positive integer factors of 68374 that divides 68374 without a remainder.

1, 2, 17, 34, 2011, 4022, 34187

Step-4: Factors of 68391

List of positive integer factors of 68391 that divides 68374 without a remainder.

1, 3, 9, 17, 27, 51, 149, 153, 447, 459, 1341, 2533, 4023, 7599, 22797

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68374 and 68391. The biggest common factor number is the GCF number.
So the greatest common factor 68374 and 68391 is 17.

Also check out the Least Common Multiple of 68374 and 68391