| GIMPS | TF-LMH | trial factoring LMH | screen for not-prime, factoring to low limits |
| GIMPS | PM1-R | factor P-1 redo | screen for not-prime, reassigned as P-factoring |
| GIMPS | TF | trial factoring | screen for not-prime, assigned as factoring |
| GIMPS | PM1-S | factor P-1 small | screen for not-prime, assigned as factoring |
| GIMPS | PM1-L | factor P-1 large | screen for not-prime, assigned as P-factoring |
| GIMPS | ECM | factor ECM small | screen for not-prime, assigned as ECM |
| GIMPS | PRP-D | PRP double-check | probable prime test, assigned as PRP verification |
| GIMPS | LL | LL first test | primality test, assigned as first LL test |
| GIMPS | D | LL double-check | primality test, assigned as LL verification |
| GIMPS | PRP | PRP test | probable prime test, assigned as PRP test |
