import argparse

parser = argparse.ArgumentParser(description="Convert to binary")
parser.add_argument("prime", type=int, help="Largest prime factor from the previous script")
args = parser.parse_args()

binary = bin(args.prime)[2:]  # [2:] to remove the '0b' prefix
print(f"The binary representation of {args.prime} is: {binary}")
print("Count the number of '1's in this binary number and use it in the next script.")