Question

Four bells ring simultaneously and afterwards at intervals of 3,4,5,6 respectively.AF what interval will they ring together?

Answer 1

List the prime factorization of each number. If you need help with prime factorization, check out this solver.  

3: 3  

7: 7  

12: 2*2*3  

14: 2*7  

Highlight the unique factors and the factors that occur most frequently

3: 3  

7: 7  

12: 2*2*3  

14: 2*7  

Now multiply all of the highlighted factors  

2*2*3*7=84  

The LCM of 3, 7, 12, and 14 is 84

Answer 2

Answer:

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