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Prime Tuple Database
Prime p0= 1247270244604290079 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 28 56 10 78 20 70 12 54 42 2 42 54 12 70 20 78 10 56 28 (?)
an: 0 28 84 94 172 192 262 274 328 370 372 414 468 480 550 570 648 658 714 742
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 742
Found by: Cruncher Pete
db: batch=77, k=20, 28 56 10 78 20 70 12 54 42 2
dn: 0 28 56 10 78 20 70 12 54 42 2 42 54 12 70 20 78 10 56 28 (?)
an: 0 28 84 94 172 192 262 274 328 370 372 414 468 480 550 570 648 658 714 742
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 742
Found by: Cruncher Pete
db: batch=77, k=20, 28 56 10 78 20 70 12 54 42 2
| SPT(16) | 1247268968561287613 | 0 18 50 74 134 156 186 198 266 278 308 330 390 414 446 464 | -1276043002466 |
| SPT(16) | 1247269074015458723 | 0 8 54 78 138 144 150 180 188 218 224 230 290 314 360 368 | -1170588831356 |
| STPT(10) | 1247269326449012561 | 0 2 30 32 60 62 90 92 120 122 | -918155277518 |
| STPT(10) | 1247269500038465999 | 0 2 18 20 30 32 42 44 60 62 | -744565824080 |
| STPT(10) | 1247269959505610861 | 0 2 6 8 18 20 30 32 36 38 | -285098679218 |
| STPT(10) | 1247270229005199689 | 0 2 12 14 90 92 168 170 180 182 | -15599090390 |
| STPT(10) | 1247270253239475761 | 0 2 6 8 18 20 30 32 36 38 | 8635185682 |
| STPT(10) | 1247270413237441259 | 0 2 18 20 30 32 42 44 60 62 | 168633151180 |
| STPT(10) | 1247270643821828399 | 0 2 12 14 90 92 168 170 180 182 | 399217538320 |
| TPT(14) | 1247270718411839081 | 0 2 78 80 120 122 156 158 186 188 198 200 336 338 | 473807549002 |
| TPT(14) | 1247270810761531121 | 0 2 18 20 66 68 126 128 198 200 276 278 306 308 | 566157241042 |
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