What is the Greatest Common Factor of 17440 and 17456?

Greatest common factor (GCF) of 17440 and 17456 is 16.

GCF(17440,17456) = 16

We will now calculate the prime factors of 17440 and 17456, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17440 and 17456.

How to find the GCF of 17440 and 17456?

We will first find the prime factorization of 17440 and 17456. After we will calculate the factors of 17440 and 17456 and find the biggest common factor number .

Step-1: Prime Factorization of 17440

Prime factors of 17440 are 2, 5, 109. Prime factorization of 17440 in exponential form is:

17440 = 2⁵ × 5¹ × 109¹

Step-2: Prime Factorization of 17456

Prime factors of 17456 are 2, 1091. Prime factorization of 17456 in exponential form is:

17456 = 2⁴ × 1091¹

Step-3: Factors of 17440

List of positive integer factors of 17440 that divides 17440 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720

Step-4: Factors of 17456

List of positive integer factors of 17456 that divides 17440 without a remainder.

1, 2, 4, 8, 16, 1091, 2182, 4364, 8728

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17440 and 17456. The biggest common factor number is the GCF number.
So the greatest common factor 17440 and 17456 is 16.

Also check out the Least Common Multiple of 17440 and 17456