| first member | Digits | When? | Discoverer |
|---|---|---|---|
| 1st kind | |||
| 2799873605326 ⋅ 2371# - 1 | Batalov, NewPGen, OpenPFGW | ||
| 37488065464 ⋅ 1483# - 1 | Augustin, NewPGen, OpenPFGW | ||
| 1882807711450 ⋅ 1327# - 1 | Batalov, NewPGen, OpenPFGW | ||
| 33692909611 ⋅ 977# - 1 | Augustin, NewPGen, OpenPFGW | ||
| 716250935 ⋅ 491# - 1 | Augustin, NewPGen, OpenPFGW | ||
| 620060805 ⋅ 2252 - 1 | Augustin, Proth | ||
| 505054485 ⋅ 2154 - 1 | Augustin, Proth | ||
| 2nd kind | |||
| 52992297065385779421184 ⋅ 1531# + 1 | Balyakin | ||
| 480112483568 ⋅ 1511# + 1 | Östlin, NewPGen, OpenPFGW | ||
| 37783362904 ⋅ 1097# + 1 | Augustin, NewPGen, OpenPFGW | ||
| 703632724 ⋅ 787# + 94265010841 | Andersen, Primo | ||
| 42693782492 ⋅ 739# + 1 | Augustin, NewPGen, OpenPFGW | ||
| 2197316072 ⋅ 647# + 105063678721 | Andersen, Primo | ||
| 6302319587 ⋅ 509# + 1 | Chaffey | ||
| 1056231420 ⋅ 479# + 1 | Augustin, NewPGen, OpenPFGW | ||
| 388562456 ⋅ 331# + 1 | Augustin, NewPGen, OpenPFGW | ||
| 2 ⋅ 305372608 ⋅ 271# + 1 | Augustin, NewPGen, OpenPFGW | ||