# Python: Find the number of zeros at the end of a factorial of a given positive number

## Python Basic - 1: Exercise-20 with Solution

Write a Python program to find the number of zeros at the end of a factorial of a given positive number.

Range of the number(n): (1 ≤ n ≤ 2*109).

**Sample Solution**:

**Python Code:**

```
def factendzero(n):
x = n // 5
y = x
while x > 0:
x /= 5
y += int(x)
return y
print(factendzero(5))
print(factendzero(12))
print(factendzero(100))
```

Sample Output:

1 2 24

**Pictorial Presentation:**

**Flowchart:**

**Python Code Editor:**

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**Previous:** Write a Python program to find the value of n where n degrees of number 2 are written sequentially in a line without spaces.

**Next:** Write a Python program to find the number of notes (Sample of notes: 10, 20, 50, 100, 200 and 500 ) against an given amount.

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