LCM of 98 and 110
5390 is the LCM of 98 and 110. 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 98 and 110, provided along with the use cases of mathematics and real-world problems.
what is the lcm of 98 and 110?
lcm (98 110) = (?)
98 => 2 x 7 x 7
110 => 2 x 5 x 11
= 2 x 7 x 7 x 5 x 11
= 5390
lcm (98 and 110) = 5390
5390 is the LCM of 98 and 110.
where,
98 is a positive integer,
110 is a positive integer,
5390 is the LCM of 98 and 110,
{2} in {2 x 7 x 7, 2 x 5 x 11} is the common factors of 98 and 110,
{7 x 7 x 5 x 11} in {2 x 7 x 7, 2 x 5 x 11} are the uncommon factors of 98 and 110.
Use in Mathematics: LCM of 98 and 110
The below are some of the mathematical applications where lcm of 98 and 110 can be used:
- to find the least number which is exactly divisible by 98 and 110.
- to find the common denominator for two fractions having 98 and 110 as denominators in the unlike fractions addition or subtraction.
In the context of lcm real world problems, the lcm of 98 and 110 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 98 seconds and bell B tolls at 110 seconds repeatedly. The answer is that all bells A and B toll together at 5390 seconds for the first time, at 10780 seconds for the second time, at 16170 seconds for the third time and so on.
Important Notes: 98 and 110 lcm
The below are the important notes to be remembered while solving the lcm of 98 and 110:
- The common prime factors and the remaining prime factors of 98 and 110 should be multiplied to find the least common multiple of 98 and 110, when solving lcm by using prime factors method.
- The results of lcm of 98 and 110, and the lcm of 110 and 98 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 98 and 110?
The below solved example with step by step work shows how to find what is the lcm of 98 and 110 by using prime factors method and division method.
Solved example using prime factors method:
What is the LCM of 98 and 110?
step 1
Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 98
B = 110
What to be found:
find the lcm of 98 and 110
step 2 Find the prime factors of 98 and 110:
Prime factors of 98 = 2 x 7 x 7
Prime factors of 110 = 2 x 5 x 11
step 3 Identify the repeated and non-repeated prime factors of 98 and 110:
{2} is the most repeated factor and {7 x 7 x 5 x 11} are the non-repeated factors of 98 and 110.
step 4 Find the product of repeated and non-repeated prime factors of 98 and 110:
= 2 x 7 x 7 x 5 x 11
= 5390
lcm(98 and 110) = 5390
Hence,
lcm of 98 and 110 is 5390
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 98 and 110.
step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 98 and 110
What to be found:
lcm (98, 110) = ?
step 2 Arrange the given integers in the horizontal form with space or comma separated format:
98 and 110
step 3 Choose the divisor which divides each or most of the given integers (98 and 110), 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 98 and 110 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:
| 2 | 98 | 110 |
| 5 | 49 | 55 |
| 7 | 49 | 11 |
| 7 | 7 | 11 |
| 11 | 1 | 11 |
| 1 | 1 |
step 4 Multiply the divisors to find the lcm of 98 and 110:
= 2 x 5 x 7 x 7 x 11
= 5390
LCM(98, 110) = 5390
The LCM of two numbers 98 and 110 is 5390