num = int(input('Write a number: '))
total = 0                   #total of divisions = 0
for i in range(1, num+1):
    if num % i == 0:
        total = total + 1
if total == 2:
    print('Prime number')
else:
    print('Not prime')

vetor = [2,3,4,5,11,15,20]
divisions_list = []

def isprime():
    divisions = 0
    i = 0
    for i in range(1, vetor[i+1]):
        if i % i == 0:
            divisions = divisions + 1
            divisions_list.append(divisions)
        if divisions == 2:
            print('The number {} is prime'.format(vetor[i]))
        else:
            print('The number {} is not prime'.format(vetor[i]))