What is the Greatest Common Factor of 17855 and 17872?

Greatest common factor (GCF) of 17855 and 17872 is 1.

GCF(17855,17872) = 1

We will now calculate the prime factors of 17855 and 17872, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17855 and 17872.

How to find the GCF of 17855 and 17872?

We will first find the prime factorization of 17855 and 17872. After we will calculate the factors of 17855 and 17872 and find the biggest common factor number .

Step-1: Prime Factorization of 17855

Prime factors of 17855 are 5, 3571. Prime factorization of 17855 in exponential form is:

17855 = 5¹ × 3571¹

Step-2: Prime Factorization of 17872

Prime factors of 17872 are 2, 1117. Prime factorization of 17872 in exponential form is:

17872 = 2⁴ × 1117¹

Step-3: Factors of 17855

List of positive integer factors of 17855 that divides 17855 without a remainder.

1, 5, 3571

Step-4: Factors of 17872

List of positive integer factors of 17872 that divides 17855 without a remainder.

1, 2, 4, 8, 16, 1117, 2234, 4468, 8936

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17855 and 17872. The biggest common factor number is the GCF number.
So the greatest common factor 17855 and 17872 is 1.

Also check out the Least Common Multiple of 17855 and 17872