Python Program to Check Prime Number

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Python Programs

Python Program to Check Prime Number

Prime numbers:

A prime number is a natural number greater than 1 and having no positive divisor other than 1 and itself.

For example: 3, 7, 11 etc are prime numbers.

Composite number:

Other natural numbers that are not prime numbers are called composite numbers.

For example: 4, 6, 9 etc. are composite numbers.

See this example:

  1. num = int(input(“Enter a number: “))
  3. if num > 1:
  4.    for i in range(2,num):
  5.        if (num % i) == 0:
  6.            print(num,“is not a prime number”)
  7.            print(i,“times”,num//i,“is”,num)
  8.            break
  9.    else:
  10.        print(num,“is a prime number”)
  12. else:
  13.    print(num,“is not a prime number”)

Output:

Python Condition And Loops5

 

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