Python Program
Python Program to Find the Number is Prime or Not Prime Number or Not : Python program to check the number is prime or not. If the number is divisible by 1 or itself then it is prime number else it is not a prime number. Program: a=[21,45,32,23,43,55] for j in range(0,6): k=0 for i in range(2,a[j]//2+1): if(a[j]%i==0): k=k+1 if(k==0): print(a[j]," is prime") else: print(a[j]," isn't prime") Output: 21 isn't prime 45 isn't prime 32 isn't prime 23 is prime 43 is prime 55 isn't prime