LCM of 128 and 130

8320 is the LCM of 128 and 130. 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 128 and 130, provided along with the use cases of mathematics and real-world problems.

what is the lcm of 128 and 130?
lcm (128 130) = (?)
128 => 2 x 2 x 2 x 2 x 2 x 2 x 2
130 => 2 x 5 x 13

= 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 13
= 8320
lcm (128 and 130) = 8320
8320 is the LCM of 128 and 130.

where,
128 is a positive integer,
130 is a positive integer,
8320 is the LCM of 128 and 130,
{2} in {2 x 2 x 2 x 2 x 2 x 2 x 2, 2 x 5 x 13} is the common factors of 128 and 130,
{2 x 2 x 2 x 2 x 2 x 2 x 5 x 13} in {2 x 2 x 2 x 2 x 2 x 2 x 2, 2 x 5 x 13} are the uncommon factors of 128 and 130.

Use in Mathematics: LCM of 128 and 130
The below are some of the mathematical applications where lcm of 128 and 130 can be used:

to find the least number which is exactly divisible by 128 and 130.
to find the common denominator for two fractions having 128 and 130 as denominators in the unlike fractions addition or subtraction.

Use in Real-world Problems: 128 and 130 lcm
In the context of lcm real world problems, the lcm of 128 and 130 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 128 seconds and bell B tolls at 130 seconds repeatedly. The answer is that all bells A and B toll together at 8320 seconds for the first time, at 16640 seconds for the second time, at 24960 seconds for the third time and so on.

Important Notes: 128 and 130 lcm
The below are the important notes to be remembered while solving the lcm of 128 and 130:

The common prime factors and the remaining prime factors of 128 and 130 should be multiplied to find the least common multiple of 128 and 130, when solving lcm by using prime factors method.
The results of lcm of 128 and 130, and the lcm of 130 and 128 are identical, it means the order of given numbers in the lcm calculation doesn't affect the results.

For values other than 128 and 130, use this below LCM calculator:

The below solved example with step by step work shows how to find what is the lcm of 128 and 130 by using prime factors method and division method.

Solved example using prime factors method:
What is the LCM of 128 and 130?

step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
A = 128
B = 130

What to be found:
find the lcm of 128 and 130

step 2 Find the prime factors of 128 and 130:
Prime factors of 128 = 2 x 2 x 2 x 2 x 2 x 2 x 2
Prime factors of 130 = 2 x 5 x 13

step 3 Identify the repeated and non-repeated prime factors of 128 and 130:
{2} is the most repeated factor and {2 x 2 x 2 x 2 x 2 x 2 x 5 x 13} are the non-repeated factors of 128 and 130.

step 4 Find the product of repeated and non-repeated prime factors of 128 and 130:
= 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 13
= 8320
lcm(128 and 130) = 8320

Hence,
lcm of 128 and 130 is 8320

Solved example using special division method:
This special division method is one of the easiest ways to understand the entire calculation to find the LCM of 128 and 130.

step 1 Address the input parameters, values and observe what to be found:
Input parameters and values:
Integers: 128 and 130

What to be found:
lcm (128, 130) = ?

step 2 Arrange the given integers in the horizontal form with space or comma separated format:
128 and 130

step 3 Choose the divisor which divides each or most of the given integers (128 and 130), 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 128 and 130 is not divisible by the selected divisor; repeat the same process until all the integers are brought to 1 as like below:

2	128	130
2	64	65
2	32	65
2	16	65
2	8	65
2	4	65
2	2	65
5	1	65
13	1	13
	1	1

step 4 Multiply the divisors to find the lcm of 128 and 130:
= 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 13
= 8320
LCM(128, 130) = 8320

The LCM of two numbers 128 and 130 is 8320

LCM of 128 and 130

How-to: What is the LCM of 128 and 130?