<pre>
 2         = 2^1
 12        = 2^2 * 3^1
 360       = 2^3 ''' 3^2 ''' 5^1
 75600     = 2^4 ''' 3^3 ''' 5^2 * 7^1
 174636000 = 2^5 ''' 3^4 ''' 5^3 ''' 7^2 ''' 11^1
</pre>
