Leetcode Problem 650. 2 Keys Keyboard

650. 2 Keys Keyboard

Leetcode Solutions

Prime Factorization Approach

Initialize ans to 0, which will hold the sum of prime factors.
Start with the smallest prime factor d which is 2.
While n is greater than 1: a. If n is divisible by d, add d to ans and divide n by d. b. Otherwise, increment d by 1.
Return ans as the result.

Dynamic Programming Approach

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