What is the Greatest Common Factor of 18685 and 18691?

Greatest common factor (GCF) of 18685 and 18691 is 1.

GCF(18685,18691) = 1

We will now calculate the prime factors of 18685 and 18691, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18685 and 18691.

How to find the GCF of 18685 and 18691?

We will first find the prime factorization of 18685 and 18691. After we will calculate the factors of 18685 and 18691 and find the biggest common factor number .

Step-1: Prime Factorization of 18685

Prime factors of 18685 are 5, 37, 101. Prime factorization of 18685 in exponential form is:

18685 = 5¹ × 37¹ × 101¹

Step-2: Prime Factorization of 18691

Prime factors of 18691 are 18691. Prime factorization of 18691 in exponential form is:

18691 = 18691¹

Step-3: Factors of 18685

List of positive integer factors of 18685 that divides 18685 without a remainder.

1, 5, 37, 101, 185, 505, 3737

Step-4: Factors of 18691

List of positive integer factors of 18691 that divides 18685 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18685 and 18691. The biggest common factor number is the GCF number.
So the greatest common factor 18685 and 18691 is 1.

Also check out the Least Common Multiple of 18685 and 18691