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Prime Tuple Database
Prime p0= 1991319000234926501 starts a
Symmetric tuple of 16 consecutive primes (SPT).
dn: 0 18 20 30 22 20 6 30 46 30 6 20 22 30 20 18 (?)
an: 0 18 38 68 90 110 116 146 192 222 228 248 270 300 320 338
All 16 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 338
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=16, 18 20 30 22 20 6 30 46
dn: 0 18 20 30 22 20 6 30 46 30 6 20 22 30 20 18 (?)
an: 0 18 38 68 90 110 116 146 192 222 228 248 270 300 320 338
All 16 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 338
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=16, 18 20 30 22 20 6 30 46
| STPT(10) | 1991317026442364429 | 0 2 48 50 90 92 132 134 180 182 | -1973792562072 |
| SPT(16) | 1991317194197256193 | 0 16 28 58 76 100 160 190 204 234 294 318 336 366 378 394 | -1806037670308 |
| STPT(10) | 1991317282474691159 | 0 2 18 20 30 32 42 44 60 62 | -1717760235342 |
| STPT(10) | 1991317622689302377 | 0 2 30 32 42 44 54 56 84 86 | -1377545624124 |
| STPT(10) | 1991317654855500089 | 0 2 18 20 30 32 42 44 60 62 | -1345379426412 |
| SPT(16) | 1991318660677785889 | 0 4 22 28 60 108 112 120 142 150 154 202 234 240 258 262 | -339557140612 |
| SPT(16) | 1991319218236215613 | 0 28 118 120 126 130 160 168 358 366 396 400 406 408 498 526 | 218001289112 |
| STPT(10) | 1991320773951375857 | 0 2 12 14 42 44 72 74 84 86 | 1773716449356 |
| STPT(10) | 1991320865593872257 | 0 2 30 32 42 44 54 56 84 86 | 1865358945756 |
| STPT(10) | 1991321116525160471 | 0 2 6 8 18 20 30 32 36 38 | 2116290233970 |
| SPT(16) | 1991321159762249537 | 0 24 54 56 60 96 120 122 264 266 290 326 330 332 362 386 | 2159527323036 |
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