def is_abundant(n):
    
    fctrsum = sum([fctr for fctr in range(1, n) if n % fctr == 0])
    return fctrsum > n
def is_not_prime(n):
    import math
    
    result = False
    for i in range(2,int(math.sqrt(n)) + 1):
        if n % i == 0:
            result = True
    return result