What is the Greatest Common Factor of 17438 and 17455?

Greatest common factor (GCF) of 17438 and 17455 is 1.

GCF(17438,17455) = 1

We will now calculate the prime factors of 17438 and 17455, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17438 and 17455.

How to find the GCF of 17438 and 17455?

We will first find the prime factorization of 17438 and 17455. After we will calculate the factors of 17438 and 17455 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 17455

Prime factors of 17455 are 5, 3491. Prime factorization of 17455 in exponential form is:

17455 = 5¹ × 3491¹

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 17455

List of positive integer factors of 17455 that divides 17438 without a remainder.

1, 5, 3491

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17438 and 17455. The biggest common factor number is the GCF number.
So the greatest common factor 17438 and 17455 is 1.

Also check out the Least Common Multiple of 17438 and 17455