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Prime Tuple Database
Prime p0= 1621841015807977637 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 56 16 30 12 30 38 24 4 236 4 24 38 30 12 30 16 56 (?)
an: 0 56 72 102 114 144 182 206 210 446 450 474 512 542 554 584 600 656
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 656
Found by: xii5ku
db: batch=78, k=18, 56 16 30 12 30 38 24 4 236
dn: 0 56 16 30 12 30 38 24 4 236 4 24 38 30 12 30 16 56 (?)
an: 0 56 72 102 114 144 182 206 210 446 450 474 512 542 554 584 600 656
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 656
Found by: xii5ku
db: batch=78, k=18, 56 16 30 12 30 38 24 4 236
| STPT(10) | 1621840017681045467 | 0 2 30 32 42 44 54 56 84 86 | -998126932170 |
| STPT(10) | 1621840473972559829 | 0 2 18 20 30 32 42 44 60 62 | -541835417808 |
| STPT(10) | 1621840814649972611 | 0 2 30 32 60 62 90 92 120 122 | -201158005026 |
| STPT(10) | 1621840843086628817 | 0 2 42 44 72 74 102 104 144 146 | -172721348820 |
| SPT(16) | 1621840901497827697 | 0 22 40 82 100 102 114 142 192 220 232 234 252 294 312 334 | -114310149940 |
| STPT(10) | 1621840965565713857 | 0 2 30 32 42 44 54 56 84 86 | -50242263780 |
| STPT(10) | 1621841107881545867 | 0 2 30 32 42 44 54 56 84 86 | 92073568230 |
| STPT(10) | 1621841182912470719 | 0 2 12 14 90 92 168 170 180 182 | 167104493082 |
| SPT(16) | 1621841779838277167 | 0 2 24 30 32 42 44 80 84 120 122 132 134 140 162 164 | 764030299530 |
| STPT(10) | 1621841944902187367 | 0 2 72 74 102 104 132 134 204 206 | 929094209730 |
| SPT(16) | 1621842008761930729 | 0 12 28 34 48 54 82 88 114 120 148 154 168 174 190 202 | 992953953092 |
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