LCM of 155 and 277
42935 is the LCM of 155 and 277. 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 155 and 277, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 155 and 277?
lcm (155 277) = (?)
155 => 5 x 31
277 => 277
= 5 x 31 x 277
= 42935
lcm (155 and 277) = 42935
42935 is the LCM of 155 and 277.
where,
155 is a positive integer,
277 is a positive integer,
42935 is the LCM of 155 and 277,
There is no common factors of 155 and 277 in {5 x 31, 277},
{5 x 31 x 277} in {5 x 31, 277} are the uncommon factors of 155 and 277.
Use in Mathematics: LCM of 155 and 277
The below are some of the mathematical applications where lcm of 155 and 277 can be used:
- to find the least number which is exactly divisible by 155 and 277.
- to find the common denominator for two fractions having 155 and 277 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 155 and 277 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 155 seconds and bell B tolls at 277 seconds repeatedly. The answer is that all bells A and B toll together at 42935 seconds for the first time, at 85870 seconds for the second time, at 128805 seconds for the third time and so on.
Important Notes: 155 and 277 lcm
The below are the important notes to be remembered while solving the lcm of 155 and 277:
- The common prime factors and the remaining prime factors of 155 and 277 should be multiplied to find the least common multiple of 155 and 277, when solving lcm by using prime factors method.
- The results of lcm of 155 and 277, and the lcm of 277 and 155 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 155 and 277?
The below solved example with step by step work shows how to find what is the lcm of 155 and 277 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 155 and 277?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 155
B = 277
What to be found:
find the lcm of 155 and 277
step 2 Find the prime factors of 155 and 277:
Prime factors of 155 = 5 x 31
Prime factors of 277 = 277
step 3Identify the repeated and non-repeated prime factors of 155 and 277:
Since there is no common factors between 155 and 277, multiplying the given numbers directly provides the LCM of
155 and 277.
= 155 x 277
= 42935
lcm(155 and 277) = 42935
Hence,
lcm of 155 and 277 is 42935
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 155 and 277.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 155 and 277
What to be found:
lcm (155, 277) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
155 and 277
step 3 Choose the divisor which divides each or most of the given integers (155 and 277), 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 155 and 277 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 5 | 155 | 277 |
| 31 | 31 | 277 |
| 277 | 1 | 277 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 155 and 277:
= 5 x 31 x 277
= 42935
LCM(155, 277) = 42935
The LCM of two numbers 155 and 277 is 42935