LCM of 7 and 313
2191 is the LCM of 7 and 313. 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 7 and 313, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 7 and 313?
lcm (7 313) = (?)
7 => 7
313 => 313
= 7 x 313
= 2191
lcm (7 and 313) = 2191
2191 is the LCM of 7 and 313.
where,
7 is a positive integer,
313 is a positive integer,
2191 is the LCM of 7 and 313,
There is no common factors of 7 and 313 in {7, 313},
{7 x 313} in {7, 313} are the uncommon factors of 7 and 313.
Use in Mathematics: LCM of 7 and 313
The below are some of the mathematical applications where lcm of 7 and 313 can be used:
- to find the least number which is exactly divisible by 7 and 313.
- to find the common denominator for two fractions having 7 and 313 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 7 and 313 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 7 seconds and bell B tolls at 313 seconds repeatedly. The answer is that all bells A and B toll together at 2191 seconds for the first time, at 4382 seconds for the second time, at 6573 seconds for the third time and so on.
Important Notes: 7 and 313 lcm
The below are the important notes to be remembered while solving the lcm of 7 and 313:
- The common prime factors and the remaining prime factors of 7 and 313 should be multiplied to find the least common multiple of 7 and 313, when solving lcm by using prime factors method.
- The results of lcm of 7 and 313, and the lcm of 313 and 7 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 7 and 313?
The below solved example with step by step work shows how to find what is the lcm of 7 and 313 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 7 and 313?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 7
B = 313
What to be found:
find the lcm of 7 and 313
step 2 Find the prime factors of 7 and 313:
Prime factors of 7 = 7
Prime factors of 313 = 313
step 3Identify the repeated and non-repeated prime factors of 7 and 313:
Since there is no common factors between 7 and 313, multiplying the given numbers directly provides the LCM of
7 and 313.
= 7 x 313
= 2191
lcm(7 and 313) = 2191
Hence,
lcm of 7 and 313 is 2191
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 7 and 313.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 7 and 313
What to be found:
lcm (7, 313) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
7 and 313
step 3 Choose the divisor which divides each or most of the given integers (7 and 313), 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 7 and 313 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 7 | 7 | 313 |
| 313 | 1 | 313 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 7 and 313:
= 7 x 313
= 2191
LCM(7, 313) = 2191
The LCM of two numbers 7 and 313 is 2191