GCF and LCM Calculator Logo

What is the Greatest Common Factor of 17205 and 17221?

Greatest common factor (GCF) of 17205 and 17221 is 1.

GCF(17205,17221) = 1

We will now calculate the prime factors of 17205 and 17221, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17205 and 17221.

GCF Calculator and
and

How to find the GCF of 17205 and 17221?

We will first find the prime factorization of 17205 and 17221. After we will calculate the factors of 17205 and 17221 and find the biggest common factor number .

Step-1: Prime Factorization of 17205

Prime factors of 17205 are 3, 5, 31, 37. Prime factorization of 17205 in exponential form is:

17205 = 31 × 51 × 311 × 371

Step-2: Prime Factorization of 17221

Prime factors of 17221 are 17, 1013. Prime factorization of 17221 in exponential form is:

17221 = 171 × 10131

Step-3: Factors of 17205

List of positive integer factors of 17205 that divides 17205 without a remainder.

1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 3441, 5735

Step-4: Factors of 17221

List of positive integer factors of 17221 that divides 17205 without a remainder.

1, 17, 1013

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17205 and 17221. The biggest common factor number is the GCF number.
So the greatest common factor 17205 and 17221 is 1.

Also check out the Least Common Multiple of 17205 and 17221