# 
## What is `sympy` library?

**`sympy`** is a library used for symbolic mathematics. 

`pip` can be used to install `sympy`. You can refer to the following command.

```
pip install sympy
```

## The `prevprime` method

The **`prevprime` method** returns the largest prime number that is less than the given number. The given number has to be a positive number.

# 
## Syntax


```python
sympy.prevprime(n)
```

## Parameters

- **`n`**: This can be any positive number.

## Return value

The method returns the largest prime number that is less than the given number.


## Code

# imports sympy library
import sympy

# declares variable n with value = 5
n = 5

# prints the largest prime number
# less than the given number n
print("sympy.prevprime(%s) = %s" % (n, sympy.prevprime(n)))

python39

# 
## Code explanation

- Line 1: We import the `sympy` package.
- Line 3: We define `n`.
- Line 5: We obtain the largest prime number less than `n` using the `sympy.prevprime()` method.

sympy.tar.gz

What is sympy.prevprime() in Python?

Finds the largest prime number less than a given positive number using sympy.prevprime().

What is sympy.prevprime() in Python?

What is sympy library?

The prevprime method

Syntax

Parameters

Return value

Code

Code explanation

What is `sympy` library?

The `prevprime` method