133 and 190 LCM
LCM of 133 and 190 is equal to 1330. The comprehensive work provides more insight of how to find what is the lcm of 133 and 190 by using prime factors and special division methods, and the example use case of mathematics and real world problems.
what is the lcm of 133 and 190?
lcm (133 190) = (?)
133 => 7 x 19
190 => 2 x 5 x 19
= 19 x 7 x 2 x 5
= 1330
lcm (133 and 190) = 1330
1330 is the lcm of 133 and 190.
where,
133 is a positive integer,
190 is a positive integer,
1330 is the lcm of 133 and 190,
{19} in {7 x 19, 2 x 5 x 19} is the common factors of 133 and 190,
{7 x 2 x 5} in {7 x 19, 2 x 5 x 19} are the uncommon factors of 133 and 190.
Use in Mathematics: LCM of 133 and 190
The below are some of the mathematical applications where lcm of 133 and 190 can be used:
- to find the least number which is exactly divisible by 133 and 190.
- to find the common denominator for two fractions having 133 and 190 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 133 and 190 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 133 seconds and bell B tolls at 190 seconds repeatedly. The answer is that all bells A and B toll together at 1330 seconds for the first time, at 2660 seconds for the second time, at 3990 seconds for the third time and so on.
Important Notes: 133 and 190 lcm
The below are the important notes to be remembered while solving the lcm of 133 and 190:
- The common prime factors and the remaining prime factors of 133 and 190 should be multiplied to find the least common multiple of 133 and 190, when solving lcm by using prime factors method.
- The results of lcm of 133 and 190, and the lcm of 190 and 133 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 133 and 190?
The below solved example with step by step work shows how to find what is the lcm of 133 and 190 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 133 and 190?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 133
B = 190
What to be found:
find the lcm of 133 and 190
step 2 Find the prime factors of 133 and 190:
Prime factors of 133 = 7 x 19
Prime factors of 190 = 2 x 5 x 19
step 3 Identify the repeated and non-repeated prime factors of 133 and 190:
{19} is the most repeated factor and {7 x 2 x 5} are the non-repeated factors of 133 and 190.
step 4 Find the product of repeated and non-repeated prime factors of 133 and 190:
= 19 x 7 x 2 x 5
= 1330
lcm(133 and 190) = 1330
Hence,
lcm of 133 and 190 is 1330
This special division method is the easiest way to understand the entire calculation of what is the lcm of 133 and 190.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 133 and 190
What to be found:
lcm (133, 190) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
133 and 190
step 3 Choose the divisor which divides each or most of the given integers (133 and 190), 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 133 and 190 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 2 | 133 | 190 |
| 5 | 133 | 95 |
| 7 | 133 | 19 |
| 19 | 19 | 19 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 133 and 190:
= 2 x 5 x 7 x 19
= 1330
LCM(133, 190) = 1330
The least common multiple for two numbers 133 and 190 is 1330