Least Common Multiple of 1809 and 1817

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1809 and 1817 the smallest integer that is 3286953 that is divisible by both numbers.

Least Common Multiple (LCM) of 1809 and 1817 is 3286953.

LCM(1809,1817) = 3286953

LCM of 1809 and 1817

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 1809 and 1817

LCM of 1809 and 1817 is 3286953

Least common multiple can be found by multiplying the highest exponent prime factors of 1809 and 1817. First we will calculate the prime factors of 1809 and 1817.

Prime Factorization of 1809


3 1809
3 603
3 201
67 67
1

Prime factors of 1809 are 3,67. Prime factorization of 1809 in exponential form is:

1809 = 33×671

Prime Factorization of 1817


23 1817
79 79
1

Prime factors of 1817 are 23,79. Prime factorization of 1817 in exponential form is:

1817 = 231×791

Now multiplying the highest exponent prime factors to calculate the LCM of 1809 and 1817.

LCM(1809,1817) = 33×231×671×791
LCM(1809,1817) = 3286953

Factors of 1809

List of positive integer factors of 1809 that divides 1809 without a remainder.

1, 3, 9, 27, 67, 201, 603, 1809

Factors of 1817

List of positive integer factors of 1817 that divides 1817 without a remainder.

1, 23, 79, 1817

Least Common Multiple of 1809 and 1817 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1809 and 1817, than apply into the LCM equation.

GCF(1809,1817) = 1
LCM(1809,1817) = ( 1809 × 1817) / 1
LCM(1809,1817) = 3286953 / 1
LCM(1809,1817) = 3286953

Properties of LCM 1809 and 1817

(i) The LCM of 1817 and 1809 is associative

LCM of 1809 and 1817 = LCM of 1817 and 1809

Frequently Asked Questions on LCM of 1809 and 1817

1. What is the LCM of 1809 and 1817?

Answer: LCM of 1809 and 1817 is 3286953.

2. What are the Factors of 1809?

Answer: Factors of 1809 are 1, 3, 9, 27, 67, 201, 603, 1809. There are 8 integers that are factors of 1809. The greatest factor of 1809 is 1809.

3. What are the Factors of 1817?

Answer: Factors of 1817 are 1, 23, 79, 1817. There are 4 integers that are factors of 1817. The greatest factor of 1817 is 1817.

4. How to Find the LCM of 1809 and 1817?

Answer:

Least Common Multiple of 1809 and 1817 = 3286953

Step 1: Find the prime factorization of 1809

1809 = 3 x 3 x 3 x 67

Step 2: Find the prime factorization of 1817

1817 = 23 x 79

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 3286953 = 3 x 3 x 3 x 23 x 67 x 79

Step 4: Therefore, the least common multiple of 1809 and 1817 is 3286953.