To find out the Widget ID number

Go to: Admin > Publishing > Folders

Select Article the contains the Widget

Click On Preview Article

On the Browser Select View > Source

Search for Widget

Example below indicates Widget ID is 5539

<tr id="Module5539_TRDisplayWidgetBox">

Note: In release 6.1 we’ve added something to widgets which tells you what the widget number is so it’s easy to find

Here is a screenshot of how the dynamic widget now displays in edit mode in CM 6.1:

And in case you don't know how to do this, you can just cut and paste that widget text into a content editor in order to have the widget's results show in that location: