LCM of 65 and 180
2340 is the LCM of 65 and 180. 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 65 and 180, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 65 and 180?
lcm (65 180) = (?)
65 => 5 x 13
180 => 2 x 2 x 3 x 3 x 5
= 5 x 13 x 2 x 2 x 3 x 3
= 2340
lcm (65 and 180) = 2340
2340 is the LCM of 65 and 180.
where,
65 is a positive integer,
180 is a positive integer,
2340 is the LCM of 65 and 180,
{5} in {5 x 13, 2 x 2 x 3 x 3 x 5} is the common factors of 65 and 180,
{13 x 2 x 2 x 3 x 3} in {5 x 13, 2 x 2 x 3 x 3 x 5} are the uncommon factors of 65 and 180.
Use in Mathematics: LCM of 65 and 180
The below are some of the mathematical applications where lcm of 65 and 180 can be used:
- to find the least number which is exactly divisible by 65 and 180.
- to find the common denominator for two fractions having 65 and 180 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 65 and 180 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 65 seconds and bell B tolls at 180 seconds repeatedly. The answer is that all bells A and B toll together at 2340 seconds for the first time, at 4680 seconds for the second time, at 7020 seconds for the third time and so on.
Important Notes: 65 and 180 lcm
The below are the important notes to be remembered while solving the lcm of 65 and 180:
- The common prime factors and the remaining prime factors of 65 and 180 should be multiplied to find the least common multiple of 65 and 180, when solving lcm by using prime factors method.
- The results of lcm of 65 and 180, and the lcm of 180 and 65 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 65 and 180?
The below solved example with step by step work shows how to find what is the lcm of 65 and 180 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 65 and 180?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 65
B = 180
What to be found:
find the lcm of 65 and 180
step 2 Find the prime factors of 65 and 180:
Prime factors of 65 = 5 x 13
Prime factors of 180 = 2 x 2 x 3 x 3 x 5
step 3 Identify the repeated and non-repeated prime factors of 65 and 180:
{5} is the most repeated factor and {13 x 2 x 2 x 3 x 3} are the non-repeated factors of 65 and 180.
step 4 Find the product of repeated and non-repeated prime factors of 65 and 180:
= 5 x 13 x 2 x 2 x 3 x 3
= 2340
lcm(65 and 180) = 2340
Hence,
lcm of 65 and 180 is 2340
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 65 and 180.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 65 and 180
What to be found:
lcm (65, 180) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
65 and 180
step 3 Choose the divisor which divides each or most of the given integers (65 and 180), 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 65 and 180 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 2 | 65 | 180 |
| 2 | 65 | 90 |
| 3 | 65 | 45 |
| 3 | 65 | 15 |
| 5 | 65 | 5 |
| 13 | 13 | 1 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 65 and 180:
= 2 x 2 x 3 x 3 x 5 x 13
= 2340
LCM(65, 180) = 2340
The LCM of two numbers 65 and 180 is 2340