LCM of 61 and 67
4087 is the LCM of 61 and 67. 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 61 and 67, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 61 and 67?
lcm (61 67) = (?)
61 => 61
67 => 67
= 61 x 67
= 4087
lcm (61 and 67) = 4087
4087 is the LCM of 61 and 67.
where,
61 is a positive integer,
67 is a positive integer,
4087 is the LCM of 61 and 67,
There is no common factors of 61 and 67 in {61, 67},
{61 x 67} in {61, 67} are the uncommon factors of 61 and 67.
Use in Mathematics: LCM of 61 and 67
The below are some of the mathematical applications where lcm of 61 and 67 can be used:
- to find the least number which is exactly divisible by 61 and 67.
- to find the common denominator for two fractions having 61 and 67 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 61 and 67 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 61 seconds and bell B tolls at 67 seconds repeatedly. The answer is that all bells A and B toll together at 4087 seconds for the first time, at 8174 seconds for the second time, at 12261 seconds for the third time and so on.
Important Notes: 61 and 67 lcm
The below are the important notes to be remembered while solving the lcm of 61 and 67:
- The common prime factors and the remaining prime factors of 61 and 67 should be multiplied to find the least common multiple of 61 and 67, when solving lcm by using prime factors method.
- The results of lcm of 61 and 67, and the lcm of 67 and 61 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 61 and 67?
The below solved example with step by step work shows how to find what is the lcm of 61 and 67 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 61 and 67?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 61
B = 67
What to be found:
find the lcm of 61 and 67
step 2 Find the prime factors of 61 and 67:
Prime factors of 61 = 61
Prime factors of 67 = 67
step 3Identify the repeated and non-repeated prime factors of 61 and 67:
Since there is no common factors between 61 and 67, multiplying the given numbers directly provides the LCM of
61 and 67.
= 61 x 67
= 4087
lcm(61 and 67) = 4087
Hence,
lcm of 61 and 67 is 4087
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 61 and 67.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 61 and 67
What to be found:
lcm (61, 67) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
61 and 67
step 3 Choose the divisor which divides each or most of the given integers (61 and 67), 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 61 and 67 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 61 | 61 | 67 |
| 67 | 1 | 67 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 61 and 67:
= 61 x 67
= 4087
LCM(61, 67) = 4087
The LCM of two numbers 61 and 67 is 4087