Prime Number using python

Prime number is a positive number greater than 1 which can be divided by 1 and by itself. This means that it has only 2 factors, 1 and the number itself. 

Examples of prime numbers are: 2, 3, 7, 11 and so on. 

1. First lets write program is check if the given number is prime number or not.

def is_prime(number):
  for i in range(2,int(number/2)):
    if (number%i) == 0:
      return False
  return True

print(is_prime(10))
print(is_prime(13))

Output:

False

True


2. Let us write another program to generate all the prime numbers between given range .


start = 0
end = 100

print("Prime numbers are:")

for number in range(start, end + 1):
   if number > 1:
       for i in range(2, number):
           if (number % i) == 0:
               break
       else:
           print(number)
 

Output:

Prime numbers are:
2
3
5
7
11
13
17
19
23
29
31
37
41
43
47
53
59
61
67
71
73
79
83
89
97

Comments

Popular posts from this blog

IDEs for Python Beginners