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Prime Tuple Database
Prime p0= 815348557514137771 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 18 4 20 66 42 10 8 64 6 32 6 64 8 10 42 66 20 4 18 (?)
an: 0 18 22 42 108 150 160 168 232 238 270 276 340 348 358 400 466 486 490 508
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 508
Found by: matali
db: batch=73, k=20, 18 4 20 66 42 10 8 64 6 32
dn: 0 18 4 20 66 42 10 8 64 6 32 6 64 8 10 42 66 20 4 18 (?)
an: 0 18 22 42 108 150 160 168 232 238 270 276 340 348 358 400 466 486 490 508
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 508
Found by: matali
db: batch=73, k=20, 18 4 20 66 42 10 8 64 6 32
| SPT(16) | 815347688808574543 | 0 10 18 34 88 90 108 166 228 286 304 306 360 376 384 394 | -868705563228 |
| SPT(16) | 815347804356231343 | 0 54 70 96 108 130 148 156 178 186 204 226 238 264 280 334 | -753157906428 |
| SPT(16) | 815348034249702791 | 0 26 50 116 146 158 168 188 258 278 288 300 330 396 420 446 | -523264434980 |
| SPT(16) | 815348230158423527 | 0 12 24 132 144 152 174 192 224 242 264 272 284 392 404 416 | -327355714244 |
| STPT(10) | 815348233403962121 | 0 2 6 8 108 110 210 212 216 218 | -324110175650 |
| SPT(16) | 815348545572037583 | 0 30 74 84 108 110 140 164 240 264 294 296 320 330 374 404 | -11942100188 |
| SPT(16) | 815348769580245083 | 0 30 44 78 86 108 170 176 228 234 296 318 326 360 374 404 | 212066107312 |
| SPT(16) | 815348783799354559 | 0 144 184 244 270 280 310 322 450 462 492 502 528 588 628 772 | 226285216788 |
| SPT(18) | 815348956889496857 | 0 32 62 66 80 192 224 230 234 242 246 252 284 396 410 414 444 476 | 399375359086 |
| SPT(16) | 815349315140067233 | 0 18 26 30 38 56 110 128 276 294 348 366 374 378 386 404 | 757625929462 |
| STPT(10) | 815349406903854671 | 0 2 36 38 78 80 120 122 156 158 | 849389716900 |
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