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Greatest Common Factor of 1805 and 1810

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 1805, 1810 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1805 and 1810 is 5.

GCF(1805,1810) = 5

GCF of 1805 and 1810

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 1805 and 1810 by Prime factorization method

Prime Factorization of 1805


5 1805
19 361
19 19
1

Prime factors of 1805 are 5,19. Prime factorization of 1805 in exponential form is:

1805 = 51×192

Prime Factorization of 1810


2 1810
5 905
181 181
1

Prime factors of 1810 are 2,5,181. Prime factorization of 1810 in exponential form is:

1810 = 21×51×1811

∴ So by taking common prime factors GCF of 1805 and 1810 is 5

Greatest Common Factor of 1805 and 1810 by matching factors method

Factors of 1805

List of positive integer factors of 1805 that divides 1805 without a remainder.

1,5,19,95,361,1805

Factors of 1810

List of positive integer factors of 1810 that divides 1810 without a remainder.

1,2,5,10,181,362,905,1810

Greatest Common Factor

We found the factors and prime factorization of 1805 and 1810. The biggest common factor number is the GCF number.
So the greatest common factor 1805 and 1810 is 5.

Also check out the Least Common Multiple of 1805 and 1810

Properties of GCF 1805 and 1810

(i) The GCF of 1805 and 1810 is associative

GCF of 1805 and 1810 = GCF of 1810 and 1805

Frequently Asked Questions on GCF of 1805 and 1810

1. What is the GCF of 1805 and 1810?

Answer: GCF of 1805 and 1810 is 5.

2. What are the Factors of 1805?

Answer: Factors of 1805 are 1, 5, 19, 95, 361, 1805. There are 6 integers that are factors of 1805. The greatest factor of 1805 is 1805.

3. What are the Factors of 1810?

Answer: Factors of 1810 are 1, 2, 5, 10, 181, 362, 905, 1810. There are 8 integers that are factors of 1810. The greatest factor of 1810 is 1810.

4. How to Find the GCF of 1805 and 1810?

Answer:

Greatest Common Factor of 1805 and 1810 = 5

Step 1: Find the prime factorization of 1805

1805 = 5 x 19 x 19

Step 2: Find the prime factorization of 1810

1810 = 2 x 5 x 181

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 5

Step 4: Therefore, the greatest common factor of 1805 and 1810 is 5