
    Design a security function for a mobile banking app that determines how many distinct security verification levels should be implemented based on the count of prime numbers less than a given authentication threshold number. The security levels correspond directly to the count of prime numbers below the threshold, where each prime represents a unique verification requirement that must be satisfied before proceeding with high-value transactions. The function should take a non-negative threshold number as input and return the total count of required security verification levels.
    

    
def count_Primes_nums(n):
    """
    Design a security function for a mobile banking app that determines how many distinct security verification levels should be implemented based on the count of prime numbers less than a given authentication threshold number. The security levels correspond directly to the count of prime numbers below the threshold, where each prime represents a unique verification requirement that must be satisfied before proceeding with high-value transactions. The function should take a non-negative threshold number as input and return the total count of required security verification levels.
    

    """
def count_Primes_nums(n):
    """
    Design a security function for a mobile banking app that determines how many distinct security verification levels should be implemented based on the count of prime numbers less than a given authentication threshold number. The security levels correspond directly to the count of prime numbers below the threshold, where each prime represents a unique verification requirement that must be satisfied before proceeding with high-value transactions. The function should take a non-negative threshold number as input and return the total count of required security verification levels.
    

    """
    ctr = 0
    for num in range(n):
        if num <= 1:
            continue
        for i in range(2, num):
            if num % i == 0:
                break
        else:
            ctr += 1
    return ctr