noun🔗Share階乗The result of multiplying a given number of consecutive integers from 1 to the given number. In equations, it is symbolized by an exclamation mark (!). For example, 5! = 1 × 2 × 3 × 4 × 5 = 120."Calculating the number of possible seating arrangements for eight people requires understanding factorials, as it involves multiplying all the numbers from 1 to 8. "8人の可能な座席配置の数を計算するには、1から8までのすべての数を掛けることが含まれるため、階乗を理解する必要があります。mathnumberChat with AIVocabulary GamePractice Reading