from machine import Pin
import utime


leds = [Pin(i, Pin.OUT) for i in range(8)]

def is_prime(n):
    if n <= 1:
        return False
    if n <= 3:
        return True
    if n % 2 == 0 or n % 3 == 0:
        return False
    i = 5
    while i * i <= n:
        if n % i == 0 or n % (i + 2) == 0:
            return False
        i += 6
    return True

# Function to display a number on LEDs
def display_number(n):
    for i in range(8):
        leds[i].value(n & (1<<i) != 0)

# Main loop
for i in range(2, 62):
    if is_prime(i):
        print(f"Prime number: {i}")  # Print the prime number
        display_number(i)
        utime.sleep(1)  # Wait for 1 second


##  NAhi uska binary equivalent karna hai ...matlab jaise 61 ko binary mein convert karo aur us hisab se display 
## whi hai thik se dekho uper se 0101 man lo