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Chapter 1: Q 67. (page 19)

In the following exercises, find the least common multiple of each pair of numbers using the prime factors method.
28,40

Short Answer

Expert verified

The LCM of28,40is2脳2脳2脳5脳7=280

Step by step solution

01

Step 1. Given Information

The given digits are:

28,40

02

Step 2. Finding the LCM 

28Prime Factor is : 2,2,7
40Prime Factor is : 2,2,2,5
So the intersection of these prime numbers are2,2,2,5,7.
Therefore the LCM of28,40is2脳2脳2脳5脳7=280

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