How Many Trailing Zeros Are in 100! | Factorial Trick Explained | Olympiad Math
How many trailing zeros are in 100 factorial (100!)?
Instead of calculating the massive number directly, we use a smart mathematical trick based on factors of 5 to find the number of zeros at the end of 100!.
This method is essential for:
✔ Olympiad Mathematics
✔ O-Level / IGCSE / GCSE
✔ FSC / Intermediate
✔ Competitive Exams
✔ Entry Tests & Logical Reasoning
📌 Key Concepts Covered:
What are trailing zeros?
Why factors of 5 matter more than 10
Step-by-step method to solve factorial problems
Fast exam-oriented technique
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