What is the Greatest Common Factor of 39807 and 39813?

Greatest common factor (GCF) of 39807 and 39813 is 3.

GCF(39807,39813) = 3

We will now calculate the prime factors of 39807 and 39813, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39807 and 39813.

How to find the GCF of 39807 and 39813?

We will first find the prime factorization of 39807 and 39813. After we will calculate the factors of 39807 and 39813 and find the biggest common factor number .

Step-1: Prime Factorization of 39807

Prime factors of 39807 are 3, 4423. Prime factorization of 39807 in exponential form is:

39807 = 3² × 4423¹

Step-2: Prime Factorization of 39813

Prime factors of 39813 are 3, 23, 577. Prime factorization of 39813 in exponential form is:

39813 = 3¹ × 23¹ × 577¹

Step-3: Factors of 39807

List of positive integer factors of 39807 that divides 39807 without a remainder.

1, 3, 9, 4423, 13269

Step-4: Factors of 39813

List of positive integer factors of 39813 that divides 39807 without a remainder.

1, 3, 23, 69, 577, 1731, 13271

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39807 and 39813. The biggest common factor number is the GCF number.
So the greatest common factor 39807 and 39813 is 3.

Also check out the Least Common Multiple of 39807 and 39813