What is the Greatest Common Factor of 42858 and 42866?

Greatest common factor (GCF) of 42858 and 42866 is 2.

GCF(42858,42866) = 2

We will now calculate the prime factors of 42858 and 42866, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42858 and 42866.

How to find the GCF of 42858 and 42866?

We will first find the prime factorization of 42858 and 42866. After we will calculate the factors of 42858 and 42866 and find the biggest common factor number .

Step-1: Prime Factorization of 42858

Prime factors of 42858 are 2, 3, 2381. Prime factorization of 42858 in exponential form is:

42858 = 2¹ × 3² × 2381¹

Step-2: Prime Factorization of 42866

Prime factors of 42866 are 2, 21433. Prime factorization of 42866 in exponential form is:

42866 = 2¹ × 21433¹

Step-3: Factors of 42858

List of positive integer factors of 42858 that divides 42858 without a remainder.

1, 2, 3, 6, 9, 18, 2381, 4762, 7143, 14286, 21429

Step-4: Factors of 42866

List of positive integer factors of 42866 that divides 42858 without a remainder.

1, 2, 21433

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42858 and 42866. The biggest common factor number is the GCF number.
So the greatest common factor 42858 and 42866 is 2.

Also check out the Least Common Multiple of 42858 and 42866