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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