What is the Greatest Common Factor of 18557 and 18565?

Greatest common factor (GCF) of 18557 and 18565 is 1.

GCF(18557,18565) = 1

We will now calculate the prime factors of 18557 and 18565, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18557 and 18565.

How to find the GCF of 18557 and 18565?

We will first find the prime factorization of 18557 and 18565. After we will calculate the factors of 18557 and 18565 and find the biggest common factor number .

Step-1: Prime Factorization of 18557

Prime factors of 18557 are 7, 11, 241. Prime factorization of 18557 in exponential form is:

18557 = 7¹ × 11¹ × 241¹

Step-2: Prime Factorization of 18565

Prime factors of 18565 are 5, 47, 79. Prime factorization of 18565 in exponential form is:

18565 = 5¹ × 47¹ × 79¹

Step-3: Factors of 18557

List of positive integer factors of 18557 that divides 18557 without a remainder.

1, 7, 11, 77, 241, 1687, 2651

Step-4: Factors of 18565

List of positive integer factors of 18565 that divides 18557 without a remainder.

1, 5, 47, 79, 235, 395, 3713

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18557 and 18565. The biggest common factor number is the GCF number.
So the greatest common factor 18557 and 18565 is 1.

Also check out the Least Common Multiple of 18557 and 18565