Logon to view or change the setting that allows you to get the smallest available exponents if your computers can meet the requirements for returning results in a timely manner. |
Double Checking
Category 0 First 200assignments | Exponents below 69161580 | Assigned to users that promise to complete assignments quickly (see setting in green above). Computer must have enough LL and DC GHz-days over the last 120 days to indicate the assignment will be completed in 10 days. Computer must have no expired assignments or bad or suspect results in the last 120 days. Computer must have returned at least 10 results in the last 120 days. Setting for "days of work to queue" <= 3. Not available for manual testing. |
Must be completed in 30 days | ||
Assignments are recycled if assignment is not started with 10 days or when assignment is more than 30 days old. | ||
Category 1 First 2784assignments | Exponents below 70417662 | Assigned to users that promise to complete assignments quickly (see setting in green above). Computer must have enough LL and DC GHz-days over the last 120 days to indicate the assignment will be completed in 30 days (including the setting for "days of work to queue"). Computer must have no expired assignments or bad or suspect results in the last 120 days. Computer must have returned at least 5 results in the last 120 days. Not available for manual testing. |
Must be completed in 60 days | ||
Assignments are recycled if assignment is not started within 30 days or does not report in for 30 days or when assignment is more than 60 days old. | ||
Category 2 First 45984assignments | Exponents below 73669440 | Computer must have enough LL and DC GHz-days over the last 120 days to indicate the assignment will be completed in 60 days. Computer must have no expired assignments or bad or suspect results in the last 120 days. Computer must have returned at least 3 results in the last 120 days. Setting for "days of work to queue" <= 10. If manual testing, user must have signed up for the smallest exponents (see setting in green above) |
Must be completed in as little as 120 days | ||
Assignments are recycled if assignment is not started within 60 (unless manual testing) days or when the exponent moves midway into the first category and the assignment is more than 120 days old. | ||
Category 3 First 73584assignments | Exponents below 75520304 | Computer must have enough LL and DC GHz-days over the last 120 days to indicate the assignment will be completed in 90 days. |
Must be completed in as little as 240 days | ||
Assignments are recycled if assignment is not started within 120 (unless manual testing) days or when the exponent moves midway into the first category and the assignment is more than 240 days old. | ||
Category 4 | Remaining exponents | Assigned to anyone. |
Must be completed in as little as 360 days | ||
Assignments are recycled if assignment is not started within 180 (unless manual testing) days or when the exponent moves midway into the first category and the assignment is more than 360 days old. |
Primality tests
Category 0 First 200assignments | Exponents below 122822088 | Assigned to users that promise to complete assignments quickly (see setting in green above). Computer must have enough PRP GHz-days over the last 120 days to indicate the assignment will be completed in 15 days. Computer must have no expired assignments or bad or suspect results in the last 120 days. Computer must have returned at least 10 results in the last 120 days. Setting for "days of work to queue" <= 3. Not available for manual testing. |
Must be completed in 30 days | ||
Assignments are recycled if assignment is not started with 7 days or when assignment is more than 30 days old. | ||
Category 1 First 359658assignments | Exponents below 144977972 | Computer must have enough PRP GHz-days over the last 120 days to indicate the assignment will be completed in 30 days. Computer must have no expired assignments or bad or suspect results in the last 120 days. Computer must have returned at least 5 results in the last 120 days. Setting for "days of work to queue" <= 5. Not available for manual testing. |
Must be completed in 90 days | ||
Assignments are recycled if assignment is not started within 20 days or does not report in for 30 days or when assignment is more than 90 days old. | ||
Category 2 First 547011assignments | Exponents below 154343742 | Computer must have enough PRP GHz-days over the last 120 days to indicate the assignment will be completed in 60 days. Computer must have no expired assignments or bad or suspect results in the last 120 days. Computer must have returned at least 3 results in the last 120 days. Setting for "days of work to queue" <= 10. If manual testing, user must have signed up for the smallest exponents (see setting in green above) |
Must be completed in as little as 180 days | ||
Assignments are recycled if assignment is not started within 30 (unless manual testing) days or when the exponent moves midway into the first category and the assignment is more than 180 days old. | ||
Category 3 First 739116assignments | Exponents below 163960698 | Computer must have enough PRP GHz-days over the last 120 days to indicate the assignment will be completed in 90 days. |
Must be completed in as little as 270 days | ||
Assignments are recycled if assignment is not started within 90 (unless manual testing) days or when the exponent moves midway into the first category and the assignment is more than 270 days old. | ||
Category 4 | Remaining exponents | Assigned to anyone. |
Must be completed in as little as 360 days | ||
Assignments are recycled if assignment is not started within 90 (unless manual testing) days or when the exponent moves midway into the first category and the assignment is more than 360 days old. |
This table details the minimum requirements for certain work types and how the server decides what work type to give clients that choose "do what makes the most sense".
Thresholds for "do what makes the most sense" work preference
Minimum Pentium 4 equivalent speed to get first-time PRP tests | 5500 MHz |
Minimum Pentium 4 equivalent speed to get double-check tests | 800 MHz |
Maximum exponent assigned to CPUs with 128KB or less L2 cache | 10000000 |
Maximum exponent assigned to CPUs with 256KB or less L2+L3 cache | 20000000 |
Thresholds for first-time PRP assignments
Force double-checks if CPU reliability less than | 0.70 |
and CPU confidence level is greater than or equal to | 2.0 |
Minimum Pentium 4 equivalent speed for a proven reliable computer | 5500 MHz |
Minimum reliability for a proven reliable computer | 0.90 |
Minimum confidence level for a proven reliable computer | 2.0 |
Thresholds for double-check assignments
Force ECM if CPU reliability less than | 0.50 |
and CPU confidence level is greater than or equal to | 2.0 |
Minimum Pentium 4 equivalent speed for a proven reliable computer | 1000 MHz |
Minimum reliability for a proven reliable computer | 0.95 |
Minimum confidence level for a proven reliable computer | 2.0 |
Thresholds for P-1 factoring assignments
Required memory for P-1 assignments | 1024 MB |
Thresholds for trial factoring assignments
Minimum Pentium 4 equivalent speed to get non-LMH assignments | 50 MHz |