An elementary investigation of the theory of numbers

2,305,843,008,139,952,128 is the Greatest Perfect Number of 1811

230(231-1) ... is the greatest perfect number known at present, and probably the greatest that ever will be discovered; for; as they are merely curious without being useful, it is not likely that any person will attempt to find a number beyond it.

Jan 12, 2012 1

• mathematics
• numbers
• prime numbers