Factorial In Python Programing
The factorial of a number is a mathematical concept that represents the product of all positive integers less than or equal to that number. For example, the factorial of 5 (written as 5!) is 5 x 4 x 3 x 2 x 1 = 120. Factorials are commonly used in mathematics, statistics, and computer science.
In easy wording, the factorial of a number is the result of multiplying that number by every positive integer smaller than it. The factorial of a positive integer n is denoted by "n!".
Factorial formula
n! = n x (n-1) x (n-2) x (n-3) . . . x 1
If we find factorial 5
5! = 5 x (5-1) x (5-2) x (5-3) x (5-4)
5! = 5 x 4 x 3 x 2 x 1
5! = 120
Python Code
n = int(input("Enter Number for find factorial
= "))
f=1
for i in range(1 , n+1):
f=f*i
print(f"Factorial of {n} is {f}")
f=1
for i in range(1 , n+1):
f=f*i
print(f"Factorial of {n} is {f}")
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