What is the Greatest Common Factor of 18942 and 18947?

Greatest common factor (GCF) of 18942 and 18947 is 1.

GCF(18942,18947) = 1

We will now calculate the prime factors of 18942 and 18947, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18942 and 18947.

How to find the GCF of 18942 and 18947?

We will first find the prime factorization of 18942 and 18947. After we will calculate the factors of 18942 and 18947 and find the biggest common factor number .

Step-1: Prime Factorization of 18942

Prime factors of 18942 are 2, 3, 7, 11, 41. Prime factorization of 18942 in exponential form is:

18942 = 2¹ × 3¹ × 7¹ × 11¹ × 41¹

Step-2: Prime Factorization of 18947

Prime factors of 18947 are 18947. Prime factorization of 18947 in exponential form is:

18947 = 18947¹

Step-3: Factors of 18942

List of positive integer factors of 18942 that divides 18942 without a remainder.

1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 41, 42, 66, 77, 82, 123, 154, 231, 246, 287, 451, 462, 574, 861, 902, 1353, 1722, 2706, 3157, 6314, 9471

Step-4: Factors of 18947

List of positive integer factors of 18947 that divides 18942 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18942 and 18947. The biggest common factor number is the GCF number.
So the greatest common factor 18942 and 18947 is 1.

Also check out the Least Common Multiple of 18942 and 18947