GCF and LCM Calculator Logo

What is the Greatest Common Factor of 43581 and 43590?

Greatest common factor (GCF) of 43581 and 43590 is 3.

GCF(43581,43590) = 3

We will now calculate the prime factors of 43581 and 43590, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43581 and 43590.

GCF Calculator and
and

How to find the GCF of 43581 and 43590?

We will first find the prime factorization of 43581 and 43590. After we will calculate the factors of 43581 and 43590 and find the biggest common factor number .

Step-1: Prime Factorization of 43581

Prime factors of 43581 are 3, 73, 199. Prime factorization of 43581 in exponential form is:

43581 = 31 × 731 × 1991

Step-2: Prime Factorization of 43590

Prime factors of 43590 are 2, 3, 5, 1453. Prime factorization of 43590 in exponential form is:

43590 = 21 × 31 × 51 × 14531

Step-3: Factors of 43581

List of positive integer factors of 43581 that divides 43581 without a remainder.

1, 3, 73, 199, 219, 597, 14527

Step-4: Factors of 43590

List of positive integer factors of 43590 that divides 43581 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1453, 2906, 4359, 7265, 8718, 14530, 21795

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43581 and 43590. The biggest common factor number is the GCF number.
So the greatest common factor 43581 and 43590 is 3.

Also check out the Least Common Multiple of 43581 and 43590