Lcm 18 15 and 81

Answer 1

LCM(15, 18 and 81) = 810

The least common multiple 810 is a product of common & odd prime factors between the integers which is divisible by each one an integer of this same group. The step by step work for LCM of 15, 18 and 81 may useful to understand how to find LCM for two or three numbers.

How to find LCM(15, 18, 81)?

Follow the below steps to find the least common multiple of given group of integers or whole numbers 15, 18 and 81 by using the most efficient and easiest method.

Problem & Workout :

step 1 Address input parameters & values.

Integers: 15 18 81

lcm (15, 18, 81) = ?

step 2 Arrange the group of numbers in the horizontal form with space or comma separated format

15, 18 and 81

step 3 Choose the divisor which divides each or most of the integers of in the group (15, 18 and 81), 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 the integer is not divisible by the divisor. Repeat the same process until all the integers are brought to 1.

step 4 Multiply the divisors to find the lcm of 15, 18 and 81

3 x 5 x 3 x 9 x 2 = 810

LCM(15, 18, 81) = 810

The least common multiple for three numbers 15, 18 and 81 is 810