下面程序的功能是从输入的一串数字中找出全部由该数字串中连续数字组成的素数。Option ExplicitPrivate Sub CmdRun_Click() Dim n As Long,s As String Dim i As Integer,j As Integer S=Text1.Text For i=1 To Len(s)For j=1 To Len(s)-i+1 n=___(19)___ If prime(n) Then List1.AddItem CStr(n)Next j Next iEnd SubPrivate Function prime(___(20)___)As BooleanDim i As IntegerFor i=2 To Sqr(n) If n Mod i=0 Then Exit FunctionNext i___(21)___End Function
