Robotics & Artificial Intelligence
Write a Python code to accept any 20 numbers and display only those numbers which are prime.
[Hint: A number is said to be prime, if it is divisible by 1 and the number itself.]
Answer
for i in range(1, 21):
n = int(input("Enter a number: "))
if n > 1:
c = 0
for j in range(1, n + 1):
if n % j == 0:
c = c + 1
if c == 2:
print(n, "is a prime number")Output
Enter a number: 4
Enter a number: 5
5 is a prime number
Enter a number: 6
Enter a number: 7
7 is a prime number
Enter a number: 8
Enter a number: 9
Enter a number: 2
2 is a prime number
Enter a number: 3
3 is a prime number
Enter a number: 12
Enter a number: 14
Enter a number: 15
Enter a number: 16
Enter a number: 78
Enter a number: 91
Enter a number: 20
Enter a number: 17
17 is a prime number
Enter a number: 39
Enter a number: 41
41 is a prime number
Enter a number: 19
19 is a prime number
Enter a number: 29
29 is a prime number
Related Questions
Write a program to input a number and display the new number after reversing the digits.
Sample Input: 467
Sample Output: 764
Write a Python code to display the Mathematical Tables from 5 to 10. Each Mathematical Table should run for 10 iterations as shown in the given format:
Sample Output: Table of 5
5*1 = 5 5*2 = 10 ............... ............... 5*10 = 50A number is said to be 'Happy number' if eventual sum of the square of its digits results in 1. Write a Python code to input a number and check whether it is a Happy Number or not.
Sample Input: 31
Sample Output: 31 = 32 + 12 = 10 = 12 + 0 = 1
Hence, it is a Happy Number
Write Python code to display the following pattern:
5 4 3 2 1 5 4 3 2 5 4 3 5 4 5