LCM of 123 and 327
13407 is the LCM of 123 and 327. 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 123 and 327, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 123 and 327?
lcm (123 327) = (?)
123 => 3 x 41
327 => 3 x 109
= 3 x 41 x 109
= 13407
lcm (123 and 327) = 13407
13407 is the LCM of 123 and 327.
where,
123 is a positive integer,
327 is a positive integer,
13407 is the LCM of 123 and 327,
{3} in {3 x 41, 3 x 109} is the common factors of 123 and 327,
{41 x 109} in {3 x 41, 3 x 109} are the uncommon factors of 123 and 327.
Use in Mathematics: LCM of 123 and 327
The below are some of the mathematical applications where lcm of 123 and 327 can be used:
- to find the least number which is exactly divisible by 123 and 327.
- to find the common denominator for two fractions having 123 and 327 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 123 and 327 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 123 seconds and bell B tolls at 327 seconds repeatedly. The answer is that all bells A and B toll together at 13407 seconds for the first time, at 26814 seconds for the second time, at 40221 seconds for the third time and so on.
Important Notes: 123 and 327 lcm
The below are the important notes to be remembered while solving the lcm of 123 and 327:
- The common prime factors and the remaining prime factors of 123 and 327 should be multiplied to find the least common multiple of 123 and 327, when solving lcm by using prime factors method.
- The results of lcm of 123 and 327, and the lcm of 327 and 123 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 123 and 327?
The below solved example with step by step work shows how to find what is the lcm of 123 and 327 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 123 and 327?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 123
B = 327
What to be found:
find the lcm of 123 and 327
step 2 Find the prime factors of 123 and 327:
Prime factors of 123 = 3 x 41
Prime factors of 327 = 3 x 109
step 3 Identify the repeated and non-repeated prime factors of 123 and 327:
{3} is the most repeated factor and {41 x 109} are the non-repeated factors of 123 and 327.
step 4 Find the product of repeated and non-repeated prime factors of 123 and 327:
= 3 x 41 x 109
= 13407
lcm(123 and 327) = 13407
Hence,
lcm of 123 and 327 is 13407
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 123 and 327.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 123 and 327
What to be found:
lcm (123, 327) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
123 and 327
step 3 Choose the divisor which divides each or most of the given integers (123 and 327), 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 123 and 327 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 3 | 123 | 327 |
| 41 | 41 | 109 |
| 109 | 1 | 109 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 123 and 327:
= 3 x 41 x 109
= 13407
LCM(123, 327) = 13407
The LCM of two numbers 123 and 327 is 13407