What is the Greatest Common Factor of 40666 and 40678?

Greatest common factor (GCF) of 40666 and 40678 is 2.

GCF(40666,40678) = 2

We will now calculate the prime factors of 40666 and 40678, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40666 and 40678.

How to find the GCF of 40666 and 40678?

We will first find the prime factorization of 40666 and 40678. After we will calculate the factors of 40666 and 40678 and find the biggest common factor number .

Step-1: Prime Factorization of 40666

Prime factors of 40666 are 2, 20333. Prime factorization of 40666 in exponential form is:

40666 = 2¹ × 20333¹

Step-2: Prime Factorization of 40678

Prime factors of 40678 are 2, 11, 43. Prime factorization of 40678 in exponential form is:

40678 = 2¹ × 11¹ × 43²

Step-3: Factors of 40666

List of positive integer factors of 40666 that divides 40666 without a remainder.

1, 2, 20333

Step-4: Factors of 40678

List of positive integer factors of 40678 that divides 40666 without a remainder.

1, 2, 11, 22, 43, 86, 473, 946, 1849, 3698, 20339

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40666 and 40678. The biggest common factor number is the GCF number.
So the greatest common factor 40666 and 40678 is 2.

Also check out the Least Common Multiple of 40666 and 40678