Coprime¶ Table of Contents¶ 2748. Number of Beautiful Pairs (Easy) 1447. Simplified Fractions (Medium) 1766. Tree of Coprimes (Hard) 3411. Maximum Subarray With Equal Products (Easy) 2748. Number of Beautiful Pairs¶ LeetCode | 力扣 Tags: Array, Hash Table, Math, Counting, Number Theory 1447. Simplified Fractions¶ LeetCode | 力扣 Tags: Math, String, Number Theory 1766. Tree of Coprimes¶ LeetCode | 力扣 Tags: Array, Math, Tree, Depth First Search, Number Theory 3411. Maximum Subarray With Equal Products¶ LeetCode | 力扣 Tags: Array, Math, Sliding Window, Enumeration, Number Theory