Multiples of a Number in python
Multiple of any given number can be determined by following basic rules.
Suppose we need to extract a multiple of a given number x and require to find n multiples for x.
Here is a list of n multiples for a given number x
X*1, X*2, x*3 ……X*n
Example:
X = 6
N = 5
Multiples : 6, 12, 18, 24, 30
We will strongly recommend you to first try to write a program to generate multiples as explained above.
Now we will explore how to generate multiples of a number in python. Let’s start to learn in the following stepbystep manner.
Table of contents
 Print multiples of a given number using while loop
 Find multiples of a number using range function and for loop
 Check if the number is multiple of m in python
 Find multiple of any given number in the list & range of numbers
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1. Print multiples of a given number using while loop
For demonstration purposes, we will see the following program to print multiples of 5 in python using while loop
def getMultiples(num, number_of_multiples):
i = 1
while i <= number_of_multiples:
print(num*i)
i += 1
getMultiples(5, 5);
Result:
5
10
15
20
25
Explanation:
 Created function getMultiples function to generate number_of_multiples for given number num.

Running while loop until indexing variable it meets condition
i <= number_of_multiples
 Call getMultiples to get a list of multiples of 5.
2. Find multiples of a number using range function and for loop
Let's understand with the following example of printing multiples of 3 using the range.
def getMultiples(num, number_of_multiples):
for i in range(1, (number_of_multiples+1)):
print(num*i)
getMultiples(3, 5);
Result:
3
6
9
12
15
Explanation:
 Here the range function is constructed with the start value as 1 (inclusive) and stop value as
number_of_multiples+1
(exclusive) so that the for loop can iterate from 1 to number_of_multiples times.  Executing a for loop over a range of specified values
 Multiply loop index by num and print to get desired multiples as shown above.
3. Check if the number is multiple of m in python
To ensure whether a given number is multiple of m we need to check if that number is divisible by m or not.
So for this purpose, we will check the use of the Python modulo operator (%) to calculate the remainder of a division. We can mark m as multiple of a given number If the remainder is zero.
Below example to check if a given number is a multiple of 5 in Python
def isMultiple(num, check_with):
return num % check_with == 0;
# Check if number is multiple of 3
if (isMultiple(10, 3) == True ):
print("10 is multiple of 3");
else:
print("10 is not multiple of 3");
# Check if number is multiple of 5
if (isMultiple(15, 5) == True ):
print("15 is multiple of 5");
else:
print("15 is not multiple of ");
Result:
10 is not multiple of 3
15 is multiple of 5
Here is what the above code means:
Condition num % check_with == 0
return True
if num is divisible by check_with that means remainder is zero otherwise will return False
.
4. Find multiple of any given number in the list & range of numbers
Here is the code demonstrates to find multiples of 3 in list and range as below:
def isMultiple(num, check_with):
return num % check_with == 0;
print ("Multiples of 3 in the range are :")
for i in range(1, 10):
if (isMultiple(i, 3) == True ):
print(i);
print ("Multiples of 3 in the list are :")
nums = [50, 11, 32, 23, 18, 91, 90, 12]
for j in nums:
if (isMultiple(j, 3) == True ):
print(j);
Result:
Multiples of 3 in the range are :
3
6
9
Multiples of 3 in the list are :
18
90
12
Code Explanation:
 Created function isMultiple as described in the previous example.
 Loop through a range of numbers and pass a range of numbers to isMultiple to check if divisible by 3 or not. Printed if divisible.
 Loop through list nums and check if divisible by 3 bypassing each list element to isMultiplefunction and print that meets the condition.