GCF and LCM Calculator Logo

What is the Greatest Common Factor of 38805 and 38811?

Greatest common factor (GCF) of 38805 and 38811 is 3.

GCF(38805,38811) = 3

We will now calculate the prime factors of 38805 and 38811, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38805 and 38811.

GCF Calculator and
and

How to find the GCF of 38805 and 38811?

We will first find the prime factorization of 38805 and 38811. After we will calculate the factors of 38805 and 38811 and find the biggest common factor number .

Step-1: Prime Factorization of 38805

Prime factors of 38805 are 3, 5, 13, 199. Prime factorization of 38805 in exponential form is:

38805 = 31 × 51 × 131 × 1991

Step-2: Prime Factorization of 38811

Prime factors of 38811 are 3, 17, 761. Prime factorization of 38811 in exponential form is:

38811 = 31 × 171 × 7611

Step-3: Factors of 38805

List of positive integer factors of 38805 that divides 38805 without a remainder.

1, 3, 5, 13, 15, 39, 65, 195, 199, 597, 995, 2587, 2985, 7761, 12935

Step-4: Factors of 38811

List of positive integer factors of 38811 that divides 38805 without a remainder.

1, 3, 17, 51, 761, 2283, 12937

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38805 and 38811. The biggest common factor number is the GCF number.
So the greatest common factor 38805 and 38811 is 3.

Also check out the Least Common Multiple of 38805 and 38811