What is the Greatest Common Factor of 898 and 918?

Greatest common factor (GCF) of 898 and 918 is 2.

GCF(898,918) = 2

We will now calculate the prime factors of 898 and 918, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 898 and 918.

How to find the GCF of 898 and 918?

We will first find the prime factorization of 898 and 918. After we will calculate the factors of 898 and 918 and find the biggest common factor number .

Step-1: Prime Factorization of 898

Prime factors of 898 are 2, 449. Prime factorization of 898 in exponential form is:

898 = 2¹ × 449¹

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 898

List of positive integer factors of 898 that divides 898 without a remainder.

1, 2, 449

Step-4: Factors of 918

List of positive integer factors of 918 that divides 898 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 898 and 918. The biggest common factor number is the GCF number.
So the greatest common factor 898 and 918 is 2.

Also check out the Least Common Multiple of 898 and 918