How to Solve Distinct Prime Factors of Product of Array Problem
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Distinct Prime Factors of Product of Array
Given an array of positive integers nums, return the number of distinct prime factors in the product of the elements of nums. Note that: A number greater than 1 is called prime if it is divisible by o...
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Understanding the Distinct Prime Factors of Product of Array Problem
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Problem Statement
Given an array of positive integers nums, return the number of distinct prime factors in the product of the elements of nums. Note that: A number greater than 1 is called prime if it is divisible by only 1 and itself. An integer val1 is a factor of another integer val2 if val2 / val1 is an integer.
Distinct Prime Factors of Product of Array
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Examples
nums = [2,4,3,7,10,6]4The product of all the elements in nums is: 2 * 4 * 3 * 7 * 10 * 6 = 10080 = 25 * 32 * 5 * 7. There are 4 distinct prime factors so we return 4.
nums = [2,4,8,16]1The product of all the elements in nums is: 2 * 4 * 8 * 16 = 1024 = 210. There is 1 distinct prime factor so we return 1.
Constraints
1 <= nums.length <= 1042 <= nums[i] <= 1000How Interview Coder Helps with Leetcode Problems
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