What is the Greatest Common Factor of 51805 and 51810?

Greatest common factor (GCF) of 51805 and 51810 is 5.

GCF(51805,51810) = 5

We will now calculate the prime factors of 51805 and 51810, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51805 and 51810.

How to find the GCF of 51805 and 51810?

We will first find the prime factorization of 51805 and 51810. After we will calculate the factors of 51805 and 51810 and find the biggest common factor number .

Step-1: Prime Factorization of 51805

Prime factors of 51805 are 5, 13, 797. Prime factorization of 51805 in exponential form is:

51805 = 5¹ × 13¹ × 797¹

Step-2: Prime Factorization of 51810

Prime factors of 51810 are 2, 3, 5, 11, 157. Prime factorization of 51810 in exponential form is:

51810 = 2¹ × 3¹ × 5¹ × 11¹ × 157¹

Step-3: Factors of 51805

List of positive integer factors of 51805 that divides 51805 without a remainder.

1, 5, 13, 65, 797, 3985, 10361

Step-4: Factors of 51810

List of positive integer factors of 51810 that divides 51805 without a remainder.

1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 157, 165, 314, 330, 471, 785, 942, 1570, 1727, 2355, 3454, 4710, 5181, 8635, 10362, 17270, 25905

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51805 and 51810. The biggest common factor number is the GCF number.
So the greatest common factor 51805 and 51810 is 5.

Also check out the Least Common Multiple of 51805 and 51810