validador-cpf

CPF = 168.995.350-09

1 * 10 = 10            #       1 * 11 = 11
6 * 9  = 54            #       6 * 10 = 60
8 * 8  = 64            #       8 * 9  = 72
9 * 7  = 63            #       9 * 8  = 72
9 * 6  = 54            #       9 * 7  = 63
5 * 5  = 25            #       5 * 6  = 30
3 * 4  = 12            #       3 * 5  = 15
5 * 3  = 15            #       5 * 4  = 20
0 * 2  = 0             #       0 * 3  = 0
                       # - >   0 * 2  = 0  DÍGITO
                       #
        297            #               343
11 - (297 % 11) = 11   #    11 - (243 % 11) = 9
11 > 9 = 0             #
Dígito 1 = 0           #    Dígito 2 = 9