Mersenne Prime # of Digits Calculator

by Jeff Gilchrist
Jeff's E-mail Address



This program will calculate the number of decimal digits in the specified Mersenne number 2^p-1.  More information about Mersenne Primes can be found on the Mersenne Prime Search site.

Note:
For the Windows binaries you will need to install the included "vcredist_x86.exe" Microsoft Visual C++ 2008 Redistributable Package if the mprimedigits application does not work when you load it.

Screen Shots

MprimeDigits v1.1 Screen Shot

MprimeDigits v1.1 Command Line Screen Shot

License/Disclaimer

This software is freeware and can be freely distributed. Use at your own risk. I take no responsibility for anything that happens to your equipment.


Download

Click to download the latest version:

Windows Binaries:
MprimeDigits v1.1 (1881 KB)
[SHA-1: 5cecf7907338661d461dfeb2fc2b9c1dc8ecfef5]
[MD5: 39ab3d4210b97a2e83920b1da12fe186]

Linux/Unix Source Code:
MprimeDigits Source v1.1 (2 KB)
[SHA-1: a0c4489a0f7beda3dd4b4c2218d05c2581071dd1]
[MD5: 8906020e02317f2acbdeff087cebedcf]


Recent History

v1.1 (September 3, 2008)
  • Fixed rounding errors reported by R. Gerbicz.
  • Command line version now accepts multiple p values on the command line (ie: mprimedigits 32582657 25964951)
  • Now displays formula used to calculate # of digits so people can better understand how to calculate it themselves if they wish.
v1.0 (August 30, 2008)
  • Initial public release.


Bugs/Contact

If you would like to report any bugs or contact me related to the software you can reach me via e-mail at: Jeff's E-mail Address


  • This web page is maintained by Jeff Gilchrist, Copyright (C) 2008.
  • This web page best viewed using a resolution of 800 x 600 or higher.