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Prime Tuple Database
Prime p0= 1991268435230857649 starts a
Symmetric tuple of 16 consecutive primes (SPT).
dn: 0 20 54 66 4 30 20 30 4 30 20 30 4 66 54 20 (?)
an: 0 20 74 140 144 174 194 224 228 258 278 308 312 378 432 452
All 16 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 452
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=16, 20 54 66 4 30 20 30 4
dn: 0 20 54 66 4 30 20 30 4 30 20 30 4 66 54 20 (?)
an: 0 20 74 140 144 174 194 224 228 258 278 308 312 378 432 452
All 16 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 452
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=16, 20 54 66 4 30 20 30 4
| SPT(16) | 1991267754740800733 | 0 30 84 98 150 168 194 218 240 264 290 308 360 374 428 458 | -680490056916 |
| TPT(14) | 1991267857703608397 | 0 2 174 176 210 212 240 242 264 266 300 302 324 326 | -577527249252 |
| SPT(16) | 1991268053529143863 | 0 34 40 48 78 84 118 130 168 180 214 220 250 258 264 298 | -381701713786 |
| SPT(16) | 1991268157665662867 | 0 6 12 26 60 62 80 84 242 246 264 266 300 314 320 326 | -277565194782 |
| SPT(16) | 1991268170965186703 | 0 74 98 126 144 210 228 240 254 266 284 350 368 396 420 494 | -264265670946 |
| TPT(14) | 1991268410305444601 | 0 2 48 50 78 80 126 128 156 158 216 218 270 272 | -24925413048 |
| STPT(12) | 1991268457359237167 | 0 2 12 14 102 104 180 182 270 272 282 284 | 22128379518 |
| STPT(10) | 1991268672339827327 | 0 2 42 44 72 74 102 104 144 146 | 237108969678 |
| SPT(16) | 1991268720640668319 | 0 34 48 58 90 114 132 138 184 190 208 232 264 274 288 322 | 285409810670 |
| SPT(16) | 1991268773055190171 | 0 28 48 78 102 126 130 132 226 228 232 256 280 310 330 358 | 337824332522 |
| SPT(18) | 1991268975776612317 | 0 24 30 36 90 120 154 156 196 234 274 276 310 340 394 400 406 430 | 540545754668 |
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