What is the Greatest Common Factor of 17545 and 17555?

Greatest common factor (GCF) of 17545 and 17555 is 5.

GCF(17545,17555) = 5

We will now calculate the prime factors of 17545 and 17555, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17545 and 17555.

How to find the GCF of 17545 and 17555?

We will first find the prime factorization of 17545 and 17555. After we will calculate the factors of 17545 and 17555 and find the biggest common factor number .

Step-1: Prime Factorization of 17545

Prime factors of 17545 are 5, 11, 29. Prime factorization of 17545 in exponential form is:

17545 = 5¹ × 11² × 29¹

Step-2: Prime Factorization of 17555

Prime factors of 17555 are 5, 3511. Prime factorization of 17555 in exponential form is:

17555 = 5¹ × 3511¹

Step-3: Factors of 17545

List of positive integer factors of 17545 that divides 17545 without a remainder.

1, 5, 11, 29, 55, 121, 145, 319, 605, 1595, 3509

Step-4: Factors of 17555

List of positive integer factors of 17555 that divides 17545 without a remainder.

1, 5, 3511

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17545 and 17555. The biggest common factor number is the GCF number.
So the greatest common factor 17545 and 17555 is 5.

Also check out the Least Common Multiple of 17545 and 17555