image from prime numbers

primeImage.py

import numpy as np
import time 
import primesieve
from PIL import Image

# t is time in seconds 
#fps is videos frame rate 
t=30
fps=30

for i in range(fps*t):
	t=time.time()
	p=np.array(primesieve.primes(1920*1080*i,1920*1080*(i+1)))
	z=np.zeros(1920*1080*3,dtype=np.uint8)
	for x in p:
		z[3*(x-1920*1080*i):3*(x-1920*1080*i)+3]=[0,255,0]
	z=z.reshape(1080,1920,3)
	Image.fromarray(z).save("img/pr{}.png".format(i))
	print("{}/{}".format(i,fps*t-1))