What is the Greatest Common Factor of 904 and 918?

Greatest common factor (GCF) of 904 and 918 is 2.

GCF(904,918) = 2

We will now calculate the prime factors of 904 and 918, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 904 and 918.

How to find the GCF of 904 and 918?

We will first find the prime factorization of 904 and 918. After we will calculate the factors of 904 and 918 and find the biggest common factor number .

Step-1: Prime Factorization of 904

Prime factors of 904 are 2, 113. Prime factorization of 904 in exponential form is:

904 = 2³ × 113¹

Step-2: Prime Factorization of 918

Prime factors of 918 are 2, 3, 17. Prime factorization of 918 in exponential form is:

918 = 2¹ × 3³ × 17¹

Step-3: Factors of 904

List of positive integer factors of 904 that divides 904 without a remainder.

1, 2, 4, 8, 113, 226, 452

Step-4: Factors of 918

List of positive integer factors of 918 that divides 904 without a remainder.

1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 904 and 918. The biggest common factor number is the GCF number.
So the greatest common factor 904 and 918 is 2.

Also check out the Least Common Multiple of 904 and 918