What is the Greatest Common Factor of 42946 and 42950?

Greatest common factor (GCF) of 42946 and 42950 is 2.

GCF(42946,42950) = 2

We will now calculate the prime factors of 42946 and 42950, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42946 and 42950.

How to find the GCF of 42946 and 42950?

We will first find the prime factorization of 42946 and 42950. After we will calculate the factors of 42946 and 42950 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 42950

Prime factors of 42950 are 2, 5, 859. Prime factorization of 42950 in exponential form is:

42950 = 2¹ × 5² × 859¹

Step-3: Factors of 42946

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

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

Step-4: Factors of 42950

List of positive integer factors of 42950 that divides 42946 without a remainder.

1, 2, 5, 10, 25, 50, 859, 1718, 4295, 8590, 21475

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42946 and 42950. The biggest common factor number is the GCF number.
So the greatest common factor 42946 and 42950 is 2.

Also check out the Least Common Multiple of 42946 and 42950