What is the Greatest Common Factor of 18858 and 18863?

Greatest common factor (GCF) of 18858 and 18863 is 1.

GCF(18858,18863) = 1

We will now calculate the prime factors of 18858 and 18863, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18858 and 18863.

How to find the GCF of 18858 and 18863?

We will first find the prime factorization of 18858 and 18863. After we will calculate the factors of 18858 and 18863 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 18863

Prime factors of 18863 are 13, 1451. Prime factorization of 18863 in exponential form is:

18863 = 13¹ × 1451¹

Step-3: Factors of 18858

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

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

Step-4: Factors of 18863

List of positive integer factors of 18863 that divides 18858 without a remainder.

1, 13, 1451

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18858 and 18863. The biggest common factor number is the GCF number.
So the greatest common factor 18858 and 18863 is 1.

Also check out the Least Common Multiple of 18858 and 18863