【ゆっくり解説】なぜ0の階乗は1になるの？【数学の雑学】

You might be thinking, "Isn't the factorial of 0 0?" right away. For those of you who are wondering, we'll thoroughly explain from various angles why the factorial of 0 is 1!! Subscribe here ↓↓↓    / @yukkuri_suugaku   [Illustrations] 〇Irasutoya 〇Niconico Commons 〇Pixabay 〇Wikimedia 〇Adobe Stock [Sound Effects] 〇Sound Effects Lab [BGM] 〇Heartwarming Waltz (Recorder) 〇Sunday Afternoon 〇The Stray Cat Aims for Space [Table of Contents] 00:00 Introduction 01:13 Properties of Factorials 02:06 The Significance of Factorials 03:54 Why the Factorial of 0 is 1 07:50 Why the Zeroth Power of 2 is 1 09:32 Zeroth Powers and Prime Factorization 11:29 Conclusion