Joins
| Name | URL | Description |
|---|---|---|
| GIMPS | https://mersenne.org/gettingstarted/ | Join GIMPS |
| OBD | https://mersenne.ca/obd/ | Join OBD (Operation Billion Digits) |
| ODM | http://www.doublemersennes.org/ | Join ODM (Operation Double Mersennes) |
| Operation Kibibit | https://www.mersenneforum.org/node/45/ | Join the Factorization of RSA-1024 |
| XYYXF Project | https://www.mersenneforum.org/node/63/ | Join the search for primes of y^x - x^y |