You have a Tree T with N nodes where each node has a value Ai It is given that the cost of the tree is the LCM of all values of the tree nodes. Find the minimum size of a subgraph of the tree such that its cost is equal to the cost of T. Notes: kkur Kuma $238 • A subgraph of a tree is a tree formed by erasing some nodes of the tree with their edges such that the remaining graph is connected. ekk • It's guaranteed that the LCM of the values of all nodes does not exceed 109. Akumar15

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