LCM of 154 and 230
17710 is the LCM of 154 and 230. 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 154 and 230, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 154 and 230?
lcm (154 230) = (?)
154 => 2 x 7 x 11
230 => 2 x 5 x 23
= 2 x 7 x 11 x 5 x 23
= 17710
lcm (154 and 230) = 17710
17710 is the LCM of 154 and 230.
where,
154 is a positive integer,
230 is a positive integer,
17710 is the LCM of 154 and 230,
{2} in {2 x 7 x 11, 2 x 5 x 23} is the common factors of 154 and 230,
{7 x 11 x 5 x 23} in {2 x 7 x 11, 2 x 5 x 23} are the uncommon factors of 154 and 230.
Use in Mathematics: LCM of 154 and 230
The below are some of the mathematical applications where lcm of 154 and 230 can be used:
- to find the least number which is exactly divisible by 154 and 230.
- to find the common denominator for two fractions having 154 and 230 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 154 and 230 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 154 seconds and bell B tolls at 230 seconds repeatedly. The answer is that all bells A and B toll together at 17710 seconds for the first time, at 35420 seconds for the second time, at 53130 seconds for the third time and so on.
Important Notes: 154 and 230 lcm
The below are the important notes to be remembered while solving the lcm of 154 and 230:
- The common prime factors and the remaining prime factors of 154 and 230 should be multiplied to find the least common multiple of 154 and 230, when solving lcm by using prime factors method.
- The results of lcm of 154 and 230, and the lcm of 230 and 154 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 154 and 230?
The below solved example with step by step work shows how to find what is the lcm of 154 and 230 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 154 and 230?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 154
B = 230
What to be found:
find the lcm of 154 and 230
step 2 Find the prime factors of 154 and 230:
Prime factors of 154 = 2 x 7 x 11
Prime factors of 230 = 2 x 5 x 23
step 3 Identify the repeated and non-repeated prime factors of 154 and 230:
{2} is the most repeated factor and {7 x 11 x 5 x 23} are the non-repeated factors of 154 and 230.
step 4 Find the product of repeated and non-repeated prime factors of 154 and 230:
= 2 x 7 x 11 x 5 x 23
= 17710
lcm(154 and 230) = 17710
Hence,
lcm of 154 and 230 is 17710
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 154 and 230.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 154 and 230
What to be found:
lcm (154, 230) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
154 and 230
step 3 Choose the divisor which divides each or most of the given integers (154 and 230), 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 154 and 230 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 2 | 154 | 230 |
| 5 | 77 | 115 |
| 7 | 77 | 23 |
| 11 | 11 | 23 |
| 23 | 1 | 23 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 154 and 230:
= 2 x 5 x 7 x 11 x 23
= 17710
LCM(154, 230) = 17710
The LCM of two numbers 154 and 230 is 17710