What is the Greatest Common Factor of 18845 and 18858?

Greatest common factor (GCF) of 18845 and 18858 is 1.

GCF(18845,18858) = 1

We will now calculate the prime factors of 18845 and 18858, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18845 and 18858.

How to find the GCF of 18845 and 18858?

We will first find the prime factorization of 18845 and 18858. After we will calculate the factors of 18845 and 18858 and find the biggest common factor number .

Step-1: Prime Factorization of 18845

Prime factors of 18845 are 5, 3769. Prime factorization of 18845 in exponential form is:

18845 = 5¹ × 3769¹

Step-2: Prime Factorization of 18858

Prime factors of 18858 are 2, 3, 7, 449. Prime factorization of 18858 in exponential form is:

18858 = 2¹ × 3¹ × 7¹ × 449¹

Step-3: Factors of 18845

List of positive integer factors of 18845 that divides 18845 without a remainder.

1, 5, 3769

Step-4: Factors of 18858

List of positive integer factors of 18858 that divides 18845 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 449, 898, 1347, 2694, 3143, 6286, 9429

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18845 and 18858. The biggest common factor number is the GCF number.
So the greatest common factor 18845 and 18858 is 1.

Also check out the Least Common Multiple of 18845 and 18858