This a program that can find factors of a number
input by the user and display them in a listbox. I use the simple logic that a number is divisible
by all its factors. However, you need to tell Visual Basic
how to identify factors from non factors. In order to do
this , I use the fact that the remainder after a number is
divided by its factor is zero. In Visual Basic, you can use
the MOD operator, which compute the value of the remainder
after a number is divided by an integer. The format is
N Mod x.
With those logics in mind, I used a For....Next Loop to
evaluate all the remainders for all the divisors of N
smaller than N. If the remainder is zero, then the divisor x
is added to the list box. In this way, I am able to compute
all the factors. The program is listed
on the right:
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