LCM of 78 and 95
7410 is the LCM of 78 and 95. 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 78 and 95, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 78 and 95?
lcm (78 95) = (?)
78 => 2 x 3 x 13
95 => 5 x 19
= 2 x 3 x 13 x 5 x 19
= 7410
lcm (78 and 95) = 7410
7410 is the LCM of 78 and 95.
where,
78 is a positive integer,
95 is a positive integer,
7410 is the LCM of 78 and 95,
There is no common factors of 78 and 95 in {2 x 3 x 13, 5 x 19},
{2 x 3 x 13 x 5 x 19} in {2 x 3 x 13, 5 x 19} are the uncommon factors of 78 and 95.
Use in Mathematics: LCM of 78 and 95
The below are some of the mathematical applications where lcm of 78 and 95 can be used:
- to find the least number which is exactly divisible by 78 and 95.
- to find the common denominator for two fractions having 78 and 95 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 78 and 95 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 78 seconds and bell B tolls at 95 seconds repeatedly. The answer is that all bells A and B toll together at 7410 seconds for the first time, at 14820 seconds for the second time, at 22230 seconds for the third time and so on.
Important Notes: 78 and 95 lcm
The below are the important notes to be remembered while solving the lcm of 78 and 95:
- The common prime factors and the remaining prime factors of 78 and 95 should be multiplied to find the least common multiple of 78 and 95, when solving lcm by using prime factors method.
- The results of lcm of 78 and 95, and the lcm of 95 and 78 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 78 and 95?
The below solved example with step by step work shows how to find what is the lcm of 78 and 95 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 78 and 95?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 78
B = 95
What to be found:
find the lcm of 78 and 95
step 2 Find the prime factors of 78 and 95:
Prime factors of 78 = 2 x 3 x 13
Prime factors of 95 = 5 x 19
step 3Identify the repeated and non-repeated prime factors of 78 and 95:
Since there is no common factors between 78 and 95, multiplying the given numbers directly provides the LCM of
78 and 95.
= 78 x 95
= 7410
lcm(78 and 95) = 7410
Hence,
lcm of 78 and 95 is 7410
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 78 and 95.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 78 and 95
What to be found:
lcm (78, 95) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
78 and 95
step 3 Choose the divisor which divides each or most of the given integers (78 and 95), 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 78 and 95 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 2 | 78 | 95 |
| 3 | 39 | 95 |
| 5 | 13 | 95 |
| 13 | 13 | 19 |
| 19 | 1 | 19 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 78 and 95:
= 2 x 3 x 5 x 13 x 19
= 7410
LCM(78, 95) = 7410
The LCM of two numbers 78 and 95 is 7410