What is the Greatest Common Factor of 13805 and 13818?

Greatest common factor (GCF) of 13805 and 13818 is 1.

GCF(13805,13818) = 1

We will now calculate the prime factors of 13805 and 13818, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13805 and 13818.

How to find the GCF of 13805 and 13818?

We will first find the prime factorization of 13805 and 13818. After we will calculate the factors of 13805 and 13818 and find the biggest common factor number .

Step-1: Prime Factorization of 13805

Prime factors of 13805 are 5, 11, 251. Prime factorization of 13805 in exponential form is:

13805 = 5¹ × 11¹ × 251¹

Step-2: Prime Factorization of 13818

Prime factors of 13818 are 2, 3, 7, 47. Prime factorization of 13818 in exponential form is:

13818 = 2¹ × 3¹ × 7² × 47¹

Step-3: Factors of 13805

List of positive integer factors of 13805 that divides 13805 without a remainder.

1, 5, 11, 55, 251, 1255, 2761

Step-4: Factors of 13818

List of positive integer factors of 13818 that divides 13805 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 282, 294, 329, 658, 987, 1974, 2303, 4606, 6909

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13805 and 13818. The biggest common factor number is the GCF number.
So the greatest common factor 13805 and 13818 is 1.

Also check out the Least Common Multiple of 13805 and 13818