LCM of 143 and 294
42042 is the LCM of 143 and 294. 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 143 and 294, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 143 and 294?
lcm (143 294) = (?)
143 => 11 x 13
294 => 2 x 3 x 7 x 7
= 11 x 13 x 2 x 3 x 7 x 7
= 42042
lcm (143 and 294) = 42042
42042 is the LCM of 143 and 294.
where,
143 is a positive integer,
294 is a positive integer,
42042 is the LCM of 143 and 294,
There is no common factors of 143 and 294 in {11 x 13, 2 x 3 x 7 x 7},
{11 x 13 x 2 x 3 x 7 x 7} in {11 x 13, 2 x 3 x 7 x 7} are the uncommon factors of 143 and 294.
Use in Mathematics: LCM of 143 and 294
The below are some of the mathematical applications where lcm of 143 and 294 can be used:
- to find the least number which is exactly divisible by 143 and 294.
- to find the common denominator for two fractions having 143 and 294 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 143 and 294 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 143 seconds and bell B tolls at 294 seconds repeatedly. The answer is that all bells A and B toll together at 42042 seconds for the first time, at 84084 seconds for the second time, at 126126 seconds for the third time and so on.
Important Notes: 143 and 294 lcm
The below are the important notes to be remembered while solving the lcm of 143 and 294:
- The common prime factors and the remaining prime factors of 143 and 294 should be multiplied to find the least common multiple of 143 and 294, when solving lcm by using prime factors method.
- The results of lcm of 143 and 294, and the lcm of 294 and 143 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 143 and 294?
The below solved example with step by step work shows how to find what is the lcm of 143 and 294 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 143 and 294?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 143
B = 294
What to be found:
find the lcm of 143 and 294
step 2 Find the prime factors of 143 and 294:
Prime factors of 143 = 11 x 13
Prime factors of 294 = 2 x 3 x 7 x 7
step 3Identify the repeated and non-repeated prime factors of 143 and 294:
Since there is no common factors between 143 and 294, multiplying the given numbers directly provides the LCM of
143 and 294.
= 143 x 294
= 42042
lcm(143 and 294) = 42042
Hence,
lcm of 143 and 294 is 42042
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 143 and 294.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 143 and 294
What to be found:
lcm (143, 294) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
143 and 294
step 3 Choose the divisor which divides each or most of the given integers (143 and 294), 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 143 and 294 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 2 | 143 | 294 |
| 3 | 143 | 147 |
| 7 | 143 | 49 |
| 7 | 143 | 7 |
| 11 | 143 | 1 |
| 13 | 13 | 1 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 143 and 294:
= 2 x 3 x 7 x 7 x 11 x 13
= 42042
LCM(143, 294) = 42042
The LCM of two numbers 143 and 294 is 42042