Flowchart to check prime number

Prime Number

" a whole number greater than 1 that cannot be exactly divided by any whole number other than itself and 1 (e.g. 2, 3, 5, 7, 11)."

Prime numbers are very useful in cryptography.

Flowchart to check a Prime Number

Following flowchart is prepared using a RAPTOR software.

Python Logic to check a prime number.

def is_prime(n):

  if n <= 1:

    return False

  for i in range(2, int(n**0.5) + 1):

    if n % i == 0:

      return False

  return True

Output of python program:

is_prime(5)

True

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