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Prime Tuple Database
Prime p0= 1621877756809589177 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 6 14 22 30 78 6 48 48 2 48 48 6 78 30 22 14 6 (?)
an: 0 6 20 42 72 150 156 204 252 254 302 350 356 434 464 486 500 506
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 506
Found by: xii5ku
db: batch=78, k=18, 6 14 22 30 78 6 48 48 2
dn: 0 6 14 22 30 78 6 48 48 2 48 48 6 78 30 22 14 6 (?)
an: 0 6 20 42 72 150 156 204 252 254 302 350 356 434 464 486 500 506
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 506
Found by: xii5ku
db: batch=78, k=18, 6 14 22 30 78 6 48 48 2
| STPT(10) | 1621876099487545787 | 0 2 12 14 42 44 72 74 84 86 | -1657322043390 |
| STPT(10) | 1621876203144426371 | 0 2 6 8 18 20 30 32 36 38 | -1553665162806 |
| SPT(16) | 1621876734465504523 | 0 34 54 66 70 160 166 186 244 264 270 360 364 376 396 430 | -1022344084654 |
| TPT(14) | 1621877282017562201 | 0 2 30 32 126 128 156 158 216 218 228 230 240 242 | -474792026976 |
| SPT(16) | 1621877397275171009 | 0 8 32 50 120 122 134 162 200 228 240 242 312 330 354 362 | -359534418168 |
| SPT(16) | 1621877507325590839 | 0 24 64 102 108 112 132 148 174 190 210 214 220 258 298 322 | -249483998338 |
| SPT(16) | 1621877947912214281 | 0 16 46 48 70 132 178 190 198 210 256 318 340 342 372 388 | 191102625104 |
| SPT(16) | 1621878161137817287 | 0 6 70 84 126 154 174 196 234 256 276 304 346 360 424 430 | 404328228110 |
| STPT(10) | 1621878401200472711 | 0 2 6 8 18 20 30 32 36 38 | 644390883534 |
| STPT(10) | 1621878462134349239 | 0 2 18 20 30 32 42 44 60 62 | 705324760062 |
| STPT(10) | 1621878781084293227 | 0 2 12 14 42 44 72 74 84 86 | 1024274704050 |
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