What is the Greatest Common Factor of 42930 and 42947?

Greatest common factor (GCF) of 42930 and 42947 is 1.

GCF(42930,42947) = 1

We will now calculate the prime factors of 42930 and 42947, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42930 and 42947.

How to find the GCF of 42930 and 42947?

We will first find the prime factorization of 42930 and 42947. After we will calculate the factors of 42930 and 42947 and find the biggest common factor number .

Step-1: Prime Factorization of 42930

Prime factors of 42930 are 2, 3, 5, 53. Prime factorization of 42930 in exponential form is:

42930 = 2¹ × 3⁴ × 5¹ × 53¹

Step-2: Prime Factorization of 42947

Prime factors of 42947 are 67, 641. Prime factorization of 42947 in exponential form is:

42947 = 67¹ × 641¹

Step-3: Factors of 42930

List of positive integer factors of 42930 that divides 42930 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 265, 270, 318, 405, 477, 530, 795, 810, 954, 1431, 1590, 2385, 2862, 4293, 4770, 7155, 8586, 14310, 21465

Step-4: Factors of 42947

List of positive integer factors of 42947 that divides 42930 without a remainder.

1, 67, 641

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42930 and 42947. The biggest common factor number is the GCF number.
So the greatest common factor 42930 and 42947 is 1.

Also check out the Least Common Multiple of 42930 and 42947