What is the Greatest Common Factor of 42930 and 42946?

Greatest common factor (GCF) of 42930 and 42946 is 2.

GCF(42930,42946) = 2

We will now calculate the prime factors of 42930 and 42946, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42930 and 42946.

How to find the GCF of 42930 and 42946?

We will first find the prime factorization of 42930 and 42946. After we will calculate the factors of 42930 and 42946 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 42946

Prime factors of 42946 are 2, 109, 197. Prime factorization of 42946 in exponential form is:

42946 = 2¹ × 109¹ × 197¹

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 42946

List of positive integer factors of 42946 that divides 42930 without a remainder.

1, 2, 109, 197, 218, 394, 21473

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42930 and 42946. The biggest common factor number is the GCF number.
So the greatest common factor 42930 and 42946 is 2.

Also check out the Least Common Multiple of 42930 and 42946