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Dsa Math Hard

Factorial Trailing Zeros

Determine how many trailing zeros are present in N! (N factorial). The number of trailing zeros in the factorial of a number is determined by the number of times 5 is a factor (as pairs of 2 and 5 create zeros). The input is a single integer N (0 <= N <= 10^7). Example Input: 100 Example Output: 24

Key concepts

mathfactorialtrailing zeros

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