What is the Greatest Common Factor of 17438 and 17456?

Greatest common factor (GCF) of 17438 and 17456 is 2.

GCF(17438,17456) = 2

We will now calculate the prime factors of 17438 and 17456, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17438 and 17456.

How to find the GCF of 17438 and 17456?

We will first find the prime factorization of 17438 and 17456. After we will calculate the factors of 17438 and 17456 and find the biggest common factor number .

Step-1: Prime Factorization of 17438

Prime factors of 17438 are 2, 8719. Prime factorization of 17438 in exponential form is:

17438 = 2¹ × 8719¹

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 17438

List of positive integer factors of 17438 that divides 17438 without a remainder.

1, 2, 8719

Step-4: Factors of 17456

List of positive integer factors of 17456 that divides 17438 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 17438 and 17456. The biggest common factor number is the GCF number.
So the greatest common factor 17438 and 17456 is 2.

Also check out the Least Common Multiple of 17438 and 17456