is_prime in python
# Program to check if a number is prime or not
#too take the input from user use "num: int = int(input('Give the value of num '))"
num: int = int(input('Give the value of Num: '))
# define a variable felix
felix = False
# prime numbers are greater than 1
if num > 1:
# check for factors
for i in range(2, num):
if (num % i) == 0:
# if factor is found, set flag to True
felix = True
# break out of loop
break
# check if flag is True
if felix:
print(num, "is not a prime number")
else:
print(num, "is a prime number")
3.5
8
from math import sqrt
for i in range(2, int(sqrt(num)) + 1):
if num % i == 0:
print("Not Prime")
break
print("Prime")
# Note: Use this if your num is big (ex. 10000 or bigger) for efficiency
# The result is still the same if the num is smaller
Thank you!
8
3.5
(8 Votes)
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