To find all prime numbers within a given range using python programming.

# To find all prime numbers within a given range.

import math

n1 = int(input("Enter lower limit of range : "))
n2 = int(input("Enter upper limit of range : "))

print("\n")

if n1==0:
    n1+=1
if n1>0:
    for i in range(n1,n2):
        flag=0
        sqr = math.sqrt(i)
        for j in range(2,int(sqr)+1):
            if j!=0:
                if (i%j)==0.0:
                    flag=1
                    break
        if flag==0:
            print(i,end=",")
else:
    print("Pleae enter positive limit: ")

input("\n\nPress Any Key to Closse.")


Download Code..