Re: ]] XL-mania [[ bilangan prima

 

Dim ArrDevisors()

 

Sub BlaBlaBlaBla()
   ' siti Vi / bluewater, indonesia / 7 May 2010
   Dim MyCell As Range
   Dim isPrima As String, n As Long
   Set MyCell = Selection
   isPrima = IsPrimeNumber(MyCell.Value)
   MyCell(1, 4) = "Result:"
   MyCell(1, 5) = isPrima
   If isPrima = "NON-PRIMA" Then
      For n = 1 To UBound(ArrDevisors)
      MyCell(1 + n, 5) = ArrDevisors(n)
      Next n
   End If
End Sub

 

Private Function IsPrimeNumber(aNumber As Long) As String
   ' siti Vi / bluewater, indonesia /14 Dec 2005
   Dim AreYou As Boolean
   Dim Devisor As Long
   Dim i As Long
   AreYou = True
   For Devisor = 2 To aNumber
      If aNumber Mod Devisor = 0 Then
         AreYou = False
         i = i + 1: ReDim Preserve ArrDevisors(1 To i)
         ArrDevisors(i) = Devisor
      End If
   Next
   If aNumber = 0 Then AreYou = False
   IsPrimeNumber = IIf(AreYou, "PRIMA", "NON-PRIMA")
End Function

 

'--- sebelum menjalankan makro (Sub prosedur BlaBlabla)

'--- select dulu sebuah cell yg berisi Bilangan yg akan di olah.

 

----- Original Message -----

From: L- Van

To: Milist XL - Mania

Sent: Wednesday, May 05, 2010 9:03 AM

Subject: ]] XL-mania [[ bilangan prima

Master suhu xl, gimana cara saya menentukan suatu bilangan itu prima atau bukan.. jika saya memasukan angka dikolom C3, misal 7 maka hasil di G3 adalah NONPRIMA dan hasil bilangan yang keluar hanya angka 1 dan 7 jika ada cara dengan makro juga tidak apa2.. thanks, L-van

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