CBSE Class 6 Answered
What is the smallest positive integer that is a multiple of 18, 20, 24, 25 and 30?
Asked by Topperlearning User | 13 May, 2014, 03:25: PM
Expert Answer
Find the prime factors of the five numbers:
18 = 3 x 3 x 2
20 = 2 x 2 x 5
24 = 2 x 2 x 2 x 3
25 = 5 x 5
30 = 2 x 3 x 5
Product of the prime factors counted the maximum number of times they occur in any number
= 2 x 2 x 2 x 3 x 3 x 5 x 5
= 1800
Answered by | 13 May, 2014, 05:25: PM
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