Problem 4 The vertices of the graph are drawn on the plane, numbered from 2 to 30. At the same time, two vertices with n
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Problem 4 The vertices of the graph are drawn on the plane, numbered from 2 to 30. At the same time, two vertices with n
Problem 4 The vertices of the graph are drawn on the plane, numbered from 2 to 30. At the same time, two vertices with numbers a and b are connected by an edge only if one of the numbers a orb is divisible by the other. How many connected components does this graph have?
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