| k | Primes | n's | Digits | Year | Discoverer |
| 4 | (11600483 + 1809778·n)·60919#+1 | 0..3 |
26383 | 2022 |
Serge Batalov, NewPGen, OpenPFGW |
| 4 | (1021747532 + 7399459·n)·60013#+1 | 0..3 |
25992 | 2019 | Ken Davis, NewPGen, PrimeForm |
| 4 | (1006521663 + 6205834·n)·60013#+1 | 0..3 | 25992 | 2019 | Ken Davis, NewPGen, PrimeForm |
| 4 | (1631979959·225000-1) + (164196977·280000-1631979959·225000)·n | 0..3 |
24092 | 2010 | David
Broadhurst, NewPGen, PrimeForm |
| 4 | (1000362700 + 2571033·n)·34687#+1 | 0..3 |
15004 | 2010 | Mike
Oakes, NewPGen, PrimeForm |
| 4 | (487069965·225001-1) + (87940527·245001-487069965·225001)·n | 0..3 |
13556 | 2010 | David
Broadhurst, NewPGen, PrimeForm |
| 4 | (183009063·225002-1) + (1367721·245007-183009063·225002)·n | 0..3 |
13556 | 2010 | David
Broadhurst, NewPGen, PrimeForm |
| 4 | (464049135·225001-1) + (181836669·240000-464049135·225001)·n | 0..3 |
12050 | 2010 | David
Broadhurst, NewPGen, PrimeForm |
| 4 | (222139713·225000-1) + (165710943·240000-222139713·225000)·n | 0..3 |
12050 | 2010 | David
Broadhurst, NewPGen, PrimeForm |
| 4 | (100997770 + 3624707·n)·27751#+1 | 0..3 |
11961 | 2008 | Ken Davis, NewPGen, PrimeForm |
| 4 | (100668506 + 809963·n)·27751#+1 | 0..3 |
11961 | 2007 | Ken Davis, NewPGen, PrimeForm |
| 4 | (101056849 + 412064·n)·27751#+1 | 0..3 |
11961 | 2007 | Ken Davis, NewPGen, PrimeForm |
| 4 | (18271126 + 9548007·n)·235000+1 | 0..3 |
10544 | 2007 | Jim Fougeron, PrimeForm |
| 4 | (2024725 + 197732·n)·23159#+1 | 0..3 |
10004 | 2006 | Mike
Oakes, NewPGen, PrimeForm |
| 4 | (3897833 + 19575072·n)·225000-1 | 0..3 |
7534 | 2004 |
David Broadhurst, PrimeForm |