The LCM of 15 and 143​

Given:

The two numbers are 15 and 143.

To find:

The LCM of given two numbers.

Solution:

We have two number 15 and 143. Write factor form of each number.

There is no common factor of 15 and 143. So, we need to multiply all prime factors of both numbers to get the LCM.

Therefore, the LCM of given numbers is 2145.

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to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.