Python Program to Find Factors of a Number

Find factors of a number in python; Through this tutorial, i am going to show you how to find factors of a given number in python using for loop, while loop and function.

Factor, in mathematics, a number or algebraic expression that divides another number or expression evenly—i.e., with no remainder. For example, 3 and 6 are factors of 12 because 12 ÷ 3 = 4 exactly and 12 ÷ 6 = 2 exactly. The other factors of 12 are 1, 2, 4, and 12.

Python Program to Find the Factors of a Number

See the following python programs to python program to find factors of a number using for loop, while loop and function; as shown below:

  • Python Program to Find the Factors of a Number using For Loop
  • Python Program to Find the Factors of a Number using While Loop
  • Python Program to Find the Factors of a Number using Functions

Python Program to Find the Factors of a Number using For Loop

  • Step 1 – Get input a number from user in program
  • Step 2 – Iterate For Loop over every number from 1 to the given number
  • Step 3 – If the loop iterator evenly divides  the provided number i.e. number % i == 0 print it.
  • Step 4 – Print factors of a number
num = int(input("Enter a number: "))
print("The factors of {} are,".format(num))
for i in range(1,num+1):
    if num % i == 0:
        print(i)

After executing the python program, the output will be:

Enter a number: 10
The factors of 10 are,
1
2
5
10

Python Program to Find the Factors of a Number using While Loop

  • Step 1 – Get input a number from user in program
  • Step 2 – Iterate while Loop over every number from 1 to the given number
  • Step 3 – If the loop iterator evenly divides  the provided number i.e. number % i == 0 print it.
  • Step 4 – Print factors of a number
# Python Program to find Factors of a Number
 
number = int(input("Please Enter any Number: "))

value = 1
print("Factors of a Given Number {0} are:".format(number))

while (value <= number):
    if(number % value == 0):
        print("{0}".format(value))
    value = value + 1

After executing the python program, the output will be:

Enter a number: 10
The factors of 10 are,
1
2
5
10

Python Program to Find the Factors of a Number using Functions

  • Step 1 – Create Function, which is calculate factors of number
  • Step 2 – Get input a number from user in program
  • Step 3 – Call Function with a number
  • Step 4 – Print factors of a number
# Python Program to find the factors of a number
# This function computes the factor of the argument passed
def print_factors(x):
   print("The factors of",x,"are:")
   for i in range(1, x + 1):
       if x % i == 0:
           print(i)
num = int(input("Enter a number: "))
print_factors(num)

After executing the python program, the output will be:

Enter a number: 10
The factors of 10 are,
1
2
5
10

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