Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
1998
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 1998

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: FactorInteger

  • To: mathgroup at smc.vnet.net
  • Subject: [mg14460] Re: [mg14412] FactorInteger
  • From: Enrique Zeleny Vazquez <ezelenyv at sirio.ifuap.buap.mx>
  • Date: Wed, 21 Oct 1998 03:32:57 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

Dear Alan:

In[1]:= 2^4*3^3*4^2                                          

Out[1]= 6912

In[2]:= Times@@( FactorInteger[%] /. {m_Integer,n_Integer}->
HoldForm[m^n])

         8  3
Out[2]= 2  3

In[3]:= ReleaseHold[%]

Out[3]= 6912


Regards

Enrique Zeleny
Instituto de Fisica
Universidad Autonoma de Puebla


On Sun, 18 Oct 1998 awhopper at hermes.net.au wrote:

> Dear Math Group,
> 
> Concerning the Prime Factors of composite integers ;
> 
> e.g;
> 
> In[1] := 2^4 3^3 4^2
> 
> Out[2] = 6912
> 
> In[3] := FactorInteger[%]
> 
> Out[4] = {{2,4},{3,3},{4,2}}
> 
> In Mathematica 3.0 is there anyway the output of FactorInteger can be
> modified to produce the unevaluated prime factors in the usual
> exponential form ? 
> 
> regards,
> 
> Alan Hopper
> Katoomba, Australia
> awhopper at hermes.net.au
> 
> 



  • Prev by Date: contour plots from non-rectangular matrices
  • Next by Date: Sorting of Matrixes and Lists
  • Previous by thread: Re: FactorInteger
  • Next by thread: RE: FactorInteger