Prime Number Calculation

 # -*- coding: utf-8 -*-

"""
Created on Fri Nov  9 19:33:46 2018

@author: Faheem Khaskheli
"""

import numpy as np

prime = np.array([2,3,5,7])

#limit = 10**5

try:
    start = np.load("limit.npy")

except:

    start = 1

limit = start + 10**5
print(limit)
prime = np.load("prime_number.npy")
def primenumbers(prime):
    for i in range(start,limit):
        p = True
        for j in range(0,prime.size):
            
            mod = i % prime[j]
            if mod == 0 :
                p = False
                break
        if p:
            prime = np.append(prime,[i])
            print(i)
    return prime

prime = primenumbers(prime)
np.save("prime_number.npy",prime)
np.save("limit.npy",limit)
print(prime)