Last updated: 10 December 2023
| All Known AP27 (PrimeGrid) Total: 3 |
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| RANK | AP27 | n's | Digits | When? | Who? |
| 1 | 605185576317848261 + 155368778 • 23# • n | 0..26 | 19 | 10 Dec 2023 | Michael Kwok |
| 2 | 277699295941594831 + 170826477 • 23# • n | 0..26 | 19 | 26 May 2023 | Tom Greer |
| 3 (1st known) | 224584605939537911 + 81292139 • 23# • n | 0..26 | 18 | 23 Sep 2019 | Rob Gahan |