LCM of 66 and 192
2112 is the LCM of 66 and 192. 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 66 and 192, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 66 and 192?
lcm (66 192) = (?)
66 => 2 x 3 x 11
192 => 2 x 2 x 2 x 2 x 2 x 2 x 3
= 2 x 3 x 11 x 2 x 2 x 2 x 2 x 2
= 2112
lcm (66 and 192) = 2112
2112 is the LCM of 66 and 192.
where,
66 is a positive integer,
192 is a positive integer,
2112 is the LCM of 66 and 192,
{2 x 3} in {2 x 3 x 11, 2 x 2 x 2 x 2 x 2 x 2 x 3} are the common factors of 66 and 192,
{11 x 2 x 2 x 2 x 2 x 2} in {2 x 3 x 11, 2 x 2 x 2 x 2 x 2 x 2 x 3} are the uncommon factors of 66 and 192.
Use in Mathematics: LCM of 66 and 192
The below are some of the mathematical applications where lcm of 66 and 192 can be used:
- to find the least number which is exactly divisible by 66 and 192.
- to find the common denominator for two fractions having 66 and 192 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 66 and 192 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 66 seconds and bell B tolls at 192 seconds repeatedly. The answer is that all bells A and B toll together at 2112 seconds for the first time, at 4224 seconds for the second time, at 6336 seconds for the third time and so on.
Important Notes: 66 and 192 lcm
The below are the important notes to be remembered while solving the lcm of 66 and 192:
- The common prime factors and the remaining prime factors of 66 and 192 should be multiplied to find the least common multiple of 66 and 192, when solving lcm by using prime factors method.
- The results of lcm of 66 and 192, and the lcm of 192 and 66 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 66 and 192?
The below solved example with step by step work shows how to find what is the lcm of 66 and 192 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 66 and 192?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 66
B = 192
What to be found:
find the lcm of 66 and 192
step 2 Find the prime factors of 66 and 192:
Prime factors of 66 = 2 x 3 x 11
Prime factors of 192 = 2 x 2 x 2 x 2 x 2 x 2 x 3
step 3 Identify the repeated and non-repeated prime factors of 66 and 192:
{2, 3} are the most repeated factors and {11 x 2 x 2 x 2 x 2 x 2} are the non-repeated factors of 66 and 192.
step 4 Find the product of repeated and non-repeated prime factors of 66 and 192:
= 2 x 3 x 11 x 2 x 2 x 2 x 2 x 2
= 2112
lcm(66 and 192) = 2112
Hence,
lcm of 66 and 192 is 2112
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 66 and 192.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 66 and 192
What to be found:
lcm (66, 192) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
66 and 192
step 3 Choose the divisor which divides each or most of the given integers (66 and 192), 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 66 and 192 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 2 | 66 | 192 |
| 2 | 33 | 96 |
| 2 | 33 | 48 |
| 2 | 33 | 24 |
| 2 | 33 | 12 |
| 2 | 33 | 6 |
| 3 | 33 | 3 |
| 11 | 11 | 1 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 66 and 192:
= 2 x 2 x 2 x 2 x 2 x 2 x 3 x 11
= 2112
LCM(66, 192) = 2112
The LCM of two numbers 66 and 192 is 2112