LCM of 90 and 353
31770 is the LCM of 90 and 353. 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 90 and 353, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 90 and 353?
lcm (90 353) = (?)
90 => 2 x 3 x 3 x 5
353 => 353
= 2 x 3 x 3 x 5 x 353
= 31770
lcm (90 and 353) = 31770
31770 is the LCM of 90 and 353.
where,
90 is a positive integer,
353 is a positive integer,
31770 is the LCM of 90 and 353,
There is no common factors of 90 and 353 in {2 x 3 x 3 x 5, 353},
{2 x 3 x 3 x 5 x 353} in {2 x 3 x 3 x 5, 353} are the uncommon factors of 90 and 353.
Use in Mathematics: LCM of 90 and 353
The below are some of the mathematical applications where lcm of 90 and 353 can be used:
- to find the least number which is exactly divisible by 90 and 353.
- to find the common denominator for two fractions having 90 and 353 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 90 and 353 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 90 seconds and bell B tolls at 353 seconds repeatedly. The answer is that all bells A and B toll together at 31770 seconds for the first time, at 63540 seconds for the second time, at 95310 seconds for the third time and so on.
Important Notes: 90 and 353 lcm
The below are the important notes to be remembered while solving the lcm of 90 and 353:
- The common prime factors and the remaining prime factors of 90 and 353 should be multiplied to find the least common multiple of 90 and 353, when solving lcm by using prime factors method.
- The results of lcm of 90 and 353, and the lcm of 353 and 90 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 90 and 353?
The below solved example with step by step work shows how to find what is the lcm of 90 and 353 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 90 and 353?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 90
B = 353
What to be found:
find the lcm of 90 and 353
step 2 Find the prime factors of 90 and 353:
Prime factors of 90 = 2 x 3 x 3 x 5
Prime factors of 353 = 353
step 3Identify the repeated and non-repeated prime factors of 90 and 353:
Since there is no common factors between 90 and 353, multiplying the given numbers directly provides the LCM of
90 and 353.
= 90 x 353
= 31770
lcm(90 and 353) = 31770
Hence,
lcm of 90 and 353 is 31770
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 90 and 353.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 90 and 353
What to be found:
lcm (90, 353) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
90 and 353
step 3 Choose the divisor which divides each or most of the given integers (90 and 353), 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 90 and 353 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 2 | 90 | 353 |
| 3 | 45 | 353 |
| 3 | 15 | 353 |
| 5 | 5 | 353 |
| 353 | 1 | 353 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 90 and 353:
= 2 x 3 x 3 x 5 x 353
= 31770
LCM(90, 353) = 31770
The LCM of two numbers 90 and 353 is 31770