What is the Greatest Common Factor of 17906 and 17918?

Greatest common factor (GCF) of 17906 and 17918 is 2.

GCF(17906,17918) = 2

We will now calculate the prime factors of 17906 and 17918, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17906 and 17918.

How to find the GCF of 17906 and 17918?

We will first find the prime factorization of 17906 and 17918. After we will calculate the factors of 17906 and 17918 and find the biggest common factor number .

Step-1: Prime Factorization of 17906

Prime factors of 17906 are 2, 7, 1279. Prime factorization of 17906 in exponential form is:

17906 = 2¹ × 7¹ × 1279¹

Step-2: Prime Factorization of 17918

Prime factors of 17918 are 2, 17, 31. Prime factorization of 17918 in exponential form is:

17918 = 2¹ × 17² × 31¹

Step-3: Factors of 17906

List of positive integer factors of 17906 that divides 17906 without a remainder.

1, 2, 7, 14, 1279, 2558, 8953

Step-4: Factors of 17918

List of positive integer factors of 17918 that divides 17906 without a remainder.

1, 2, 17, 31, 34, 62, 289, 527, 578, 1054, 8959

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17906 and 17918. The biggest common factor number is the GCF number.
So the greatest common factor 17906 and 17918 is 2.

Also check out the Least Common Multiple of 17906 and 17918