import time,machine
from machine import Pin

time.sleep(0.1) # Wait for USB to become ready
led=[Pin(0,Pin.OUT),Pin(2,Pin.OUT),Pin(3,Pin.OUT),Pin(6,Pin.OUT),Pin(7,Pin.OUT),Pin(8,Pin.OUT),Pin(11,Pin.OUT),Pin(13,Pin.OUT)]

for num in range (2,62):
    prime=1
    n=num
    for i in range(2,n):
        if(n%i==0):
            prime=0
            break
    time.sleep(1)
    if(prime==1):
        print(num)
        for i in range (0,8):
            if(n&(1<<i)):
                led[7-i].on()
        time.sleep(1)
        for i in range (0,8):
            led[i].off()