# Python Program - Check whether a Number is Even or Odd

A number is known as an even number if it is a natural number and divisible by *2*. On the other hand, an odd number is a natural number which not divisible by *2*. Examples:

**Even Number:***-10, -4, 0, 6, 18, 50***Odd Number:***-11, -5, -1, 9, 21, 99*

### Method 1: Using conditional statements

In the example below, the number called *MyNum* is checked for even number by dividing it by *2* and checking the remainder. For even number, the remainder is *0* and for odd number, the remainder is *1*.

MyNum = 17 if MyNum % 2 == 0: print(MyNum,"is an even number.") elif MyNum % 2 == 1: print(MyNum,"is an odd number.")

The above code will give the following output:

17 is an odd number.

### Method 2: Using function

In the example below, a function called *CheckEven()* is created which takes a number as argument and checks it for even number.

def CheckEven(MyNum): if MyNum % 2 == 0: print(MyNum,"is an even number.") elif MyNum % 2 == 1: print(MyNum,"is an odd number.") CheckEven(42)

The above code will give the following output:

42 is an even number.

### Method 3: Using bitwise operators

When bitwise operator is used, the last bit of the given number is checked. If the last bit is *1*, the number will be odd and if the last bit is *0*, the number will be even.

Even Number: 50 -> 110010 & 000001 --------- 000000 Odd Number: 99 -> 1100011 & 0000001 --------- 0000001

def CheckEven(MyNum): if (MyNum & 1): print(MyNum,"is an odd number.") else: print(MyNum,"is an even number.") CheckEven(50) CheckEven(99)

The above code will give the following output:

50 is an even number. 99 is an odd number.

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