Least Common Multiple of 6405 and 6409

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 6405 and 6409 the smallest integer that is 41049645 that is divisible by both numbers.

Least Common Multiple (LCM) of 6405 and 6409 is 41049645.

LCM(6405,6409) = 41049645

LCM of 6405 and 6409

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

LCM of:
and

Least Common Multiple of 6405 and 6409

LCM of 6405 and 6409 is 41049645

Least common multiple can be found by multiplying the highest exponent prime factors of 6405 and 6409. First we will calculate the prime factors of 6405 and 6409.

Prime Factorization of 6405


3 6405
5 2135
7 427
61 61
1

Prime factors of 6405 are 3, 5, 7,61. Prime factorization of 6405 in exponential form is:

6405 = 31×51×71×611

Prime Factorization of 6409


13 6409
17 493
29 29
1

Prime factors of 6409 are 13, 17,29. Prime factorization of 6409 in exponential form is:

6409 = 131×171×291

Now multiplying the highest exponent prime factors to calculate the LCM of 6405 and 6409.

LCM(6405,6409) = 31×51×71×131×171×291×611
LCM(6405,6409) = 41049645

Factors of 6405

List of positive integer factors of 6405 that divides 6405 without a remainder.

1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405

Factors of 6409

List of positive integer factors of 6409 that divides 6409 without a remainder.

1, 13, 17, 29, 221, 377, 493, 6409

Least Common Multiple of 6405 and 6409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6405 and 6409, than apply into the LCM equation.

GCF(6405,6409) = 1
LCM(6405,6409) = ( 6405 × 6409) / 1
LCM(6405,6409) = 41049645 / 1
LCM(6405,6409) = 41049645

Properties of LCM 6405 and 6409

(i) The LCM of 6409 and 6405 is associative

LCM of 6405 and 6409 = LCM of 6409 and 6405

Frequently Asked Questions on LCM of 6405 and 6409

1. What is the LCM of 6405 and 6409?

Answer: LCM of 6405 and 6409 is 41049645.

2. What are the Factors of 6405?

Answer: Factors of 6405 are 1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405. There are 16 integers that are factors of 6405. The greatest factor of 6405 is 6405.

3. What are the Factors of 6409?

Answer: Factors of 6409 are 1, 13, 17, 29, 221, 377, 493, 6409. There are 8 integers that are factors of 6409. The greatest factor of 6409 is 6409.

4. How to Find the LCM of 6405 and 6409?

Answer:

Least Common Multiple of 6405 and 6409 = 41049645

Step 1: Find the prime factorization of 6405

6405 = 3 x 5 x 7 x 61

Step 2: Find the prime factorization of 6409

6409 = 13 x 17 x 29

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

LCM = 41049645 = 3 x 5 x 7 x 13 x 17 x 29 x 61

Step 4: Therefore, the least common multiple of 6405 and 6409 is 41049645.