Known Skewes's numbers for prime patterns


type pattern initial Skewes number n-th when discoverer(s)
prime p unknown
twin p, p+2 1 369 391 10 744 14 Jul 2011 Marek Wolf
cousin p, p+4 5 206 837 33 480 16 Sep 2019 László Tóth
sexy p, p+6 unknown
triplet p, p+2, p+6 87 613 571 49 767 16 Sep 2019 László Tóth
triplet p, p+4, p+6 337 867 652 16 Sep 2019 László Tóth
4-tuplet p, p+2, p+6, p+8 1 172 531 202 16 Sep 2019 László Tóth
cousin pair p, p+4, p+6, p+10 827 929 093 48 909 16 Sep 2019 László Tóth
5-tuplet p, p+2, p+6, p+8, p+12 21 432 401 267 16 Sep 2019 László Tóth
5-tuplet p, p+4, p+6, p+10, p+12 216 646 267 1208 16 Sep 2019 László Tóth
6-tuplet p, p+4, p+6, p+10, p+12, p+16 251 331 775 687 17 581 16 Sep 2019 László Tóth
7-tuplet p, p+2, p+6, p+8, p+12, p+18, p+20 7 572 964 186 421 27 136 09 May 2020 Hugo Pförtner
7-tuplet p, p+2, p+8, p+12, p+14, p+18, p+20 214 159 878 489 239 348 633 11 May 2020 Hugo Pförtner
8-tuplet p, p+2, p+6, p+8, p+12, p+18, p+20, p+26 1 203 255 673 037 261 134 292 26 Aug 2021 Hugo Pförtner; Norman Luhn
8-tuplet p, p+2, p+6, p+12, p+14, p+20, p+24, p+26 523 250 002 674 163 757 40 634 356 11 Sep 2021 Norman Luhn; Hugo Pförtner
8-tuplet p, p+6, p+8, p+14, p+18, p+20, p+24, p+26 750 247 439 134 737 983 20 316 822 26 Aug 2021 Hugo Pförtner; Norman Luhn
9-tuplet p, p+2, p+6, p+8, p+12, p+18, p+20, p+26, p+30 3 658 988 336 628 289 781 6 188 042 03 Jun 2026 Karl Desfontaines; Hugo Pförtner