We only need to examine numbers from 1 up to ⌊√n⌋. Because any divisor d larger than √n pairs with a quotient n/d smaller than √n, testing up to √n finds them all. Class 9 Chapter 11 The World of Algorithms ...
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We only need to examine numbers from 1 up to ⌊√n⌋. Because any divisor d larger than √n pairs with a quotient n/d smaller than √n, testing up to √n finds them all. Class 9 Chapter 11 The World of Algorithms ...