What is the Greatest Common Factor of 43686 and 43700?

Greatest common factor (GCF) of 43686 and 43700 is 2.

GCF(43686,43700) = 2

We will now calculate the prime factors of 43686 and 43700, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43686 and 43700.

How to find the GCF of 43686 and 43700?

We will first find the prime factorization of 43686 and 43700. After we will calculate the factors of 43686 and 43700 and find the biggest common factor number .

Step-1: Prime Factorization of 43686

Prime factors of 43686 are 2, 3, 809. Prime factorization of 43686 in exponential form is:

43686 = 2¹ × 3³ × 809¹

Step-2: Prime Factorization of 43700

Prime factors of 43700 are 2, 5, 19, 23. Prime factorization of 43700 in exponential form is:

43700 = 2² × 5² × 19¹ × 23¹

Step-3: Factors of 43686

List of positive integer factors of 43686 that divides 43686 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 809, 1618, 2427, 4854, 7281, 14562, 21843

Step-4: Factors of 43700

List of positive integer factors of 43700 that divides 43686 without a remainder.

1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 475, 575, 874, 950, 1150, 1748, 1900, 2185, 2300, 4370, 8740, 10925, 21850

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43686 and 43700. The biggest common factor number is the GCF number.
So the greatest common factor 43686 and 43700 is 2.

Also check out the Least Common Multiple of 43686 and 43700