What is the Greatest Common Factor of 18561 and 18575?

Greatest common factor (GCF) of 18561 and 18575 is 1.

GCF(18561,18575) = 1

We will now calculate the prime factors of 18561 and 18575, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18561 and 18575.

How to find the GCF of 18561 and 18575?

We will first find the prime factorization of 18561 and 18575. After we will calculate the factors of 18561 and 18575 and find the biggest common factor number .

Step-1: Prime Factorization of 18561

Prime factors of 18561 are 3, 23, 269. Prime factorization of 18561 in exponential form is:

18561 = 3¹ × 23¹ × 269¹

Step-2: Prime Factorization of 18575

Prime factors of 18575 are 5, 743. Prime factorization of 18575 in exponential form is:

18575 = 5² × 743¹

Step-3: Factors of 18561

List of positive integer factors of 18561 that divides 18561 without a remainder.

1, 3, 23, 69, 269, 807, 6187

Step-4: Factors of 18575

List of positive integer factors of 18575 that divides 18561 without a remainder.

1, 5, 25, 743, 3715

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18561 and 18575. The biggest common factor number is the GCF number.
So the greatest common factor 18561 and 18575 is 1.

Also check out the Least Common Multiple of 18561 and 18575