LCM of 218 and 240
26160 is the LCM of 218 and 240. The step-by-step solution using prime factors and special division methods is one of the simple methods to easily understand how to find what is the LCM of 218 and 240, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 218 and 240?
lcm (218 240) = (?)
218 => 2 x 109
240 => 2 x 2 x 2 x 2 x 3 x 5
= 2 x 109 x 2 x 2 x 2 x 3 x 5
= 26160
lcm (218 and 240) = 26160
26160 is the LCM of 218 and 240.
where,
218 is a positive integer,
240 is a positive integer,
26160 is the LCM of 218 and 240,
{2} in {2 x 109, 2 x 2 x 2 x 2 x 3 x 5} is the common factors of 218 and 240,
{109 x 2 x 2 x 2 x 3 x 5} in {2 x 109, 2 x 2 x 2 x 2 x 3 x 5} are the uncommon factors of 218 and 240.
Use in Mathematics: LCM of 218 and 240
The below are some of the mathematical applications where lcm of 218 and 240 can be used:
- to find the least number which is exactly divisible by 218 and 240.
- to find the common denominator for two fractions having 218 and 240 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 218 and 240 helps to find the exact time when two similar and recurring events with different time schedule happens together at the same time. For example, the real world problems involve lcm in situations to find at what time the bells A and B all toll together, if bell A tolls at 218 seconds and bell B tolls at 240 seconds repeatedly. The answer is that all bells A and B toll together at 26160 seconds for the first time, at 52320 seconds for the second time, at 78480 seconds for the third time and so on.
Important Notes: 218 and 240 lcm
The below are the important notes to be remembered while solving the lcm of 218 and 240:
- The common prime factors and the remaining prime factors of 218 and 240 should be multiplied to find the least common multiple of 218 and 240, when solving lcm by using prime factors method.
- The results of lcm of 218 and 240, and the lcm of 240 and 218 are identical, it means the order of given numbers in the lcm calculation doesn't affect the results.
How-to: What is the LCM of 218 and 240?
The below solved example with step by step work shows how to find what is the lcm of 218 and 240 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 218 and 240?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 218
B = 240
What to be found:
find the lcm of 218 and 240
step 2 Find the prime factors of 218 and 240:
Prime factors of 218 = 2 x 109
Prime factors of 240 = 2 x 2 x 2 x 2 x 3 x 5
step 3 Identify the repeated and non-repeated prime factors of 218 and 240:
{2} is the most repeated factor and {109 x 2 x 2 x 2 x 3 x 5} are the non-repeated factors of 218 and 240.
step 4 Find the product of repeated and non-repeated prime factors of 218 and 240:
= 2 x 109 x 2 x 2 x 2 x 3 x 5
= 26160
lcm(218 and 240) = 26160
Hence,
lcm of 218 and 240 is 26160
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 218 and 240.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 218 and 240
What to be found:
lcm (218, 240) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
218 and 240
step 3 Choose the divisor which divides each or most of the given integers (218 and 240), divide each integers separately and write down the quotient in the next line right under the respective integers. Bring down the integer to the next line if any integer in 218 and 240 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 2 | 218 | 240 |
| 2 | 109 | 120 |
| 2 | 109 | 60 |
| 2 | 109 | 30 |
| 3 | 109 | 15 |
| 5 | 109 | 5 |
| 109 | 109 | 1 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 218 and 240:
= 2 x 2 x 2 x 2 x 3 x 5 x 109
= 26160
LCM(218, 240) = 26160
The LCM of two numbers 218 and 240 is 26160