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Prime Tuple Database
Prime p0= 1989989142897347429 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 8 10 14 16 14 16 32 52 26 76 26 52 32 16 14 16 14 10 8 (?)
an: 0 8 18 32 48 62 78 110 162 188 264 290 342 374 390 404 420 434 444 452
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 452
Found by: Orange Kid
db: batch=80, k=20, 8 10 14 16 14 16 32 52 26 76
dn: 0 8 10 14 16 14 16 32 52 26 76 26 52 32 16 14 16 14 10 8 (?)
an: 0 8 18 32 48 62 78 110 162 188 264 290 342 374 390 404 420 434 444 452
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 452
Found by: Orange Kid
db: batch=80, k=20, 8 10 14 16 14 16 32 52 26 76
| SPT(16) | 1989988568676707227 | 0 46 54 76 82 84 96 184 252 340 352 354 360 382 390 436 | -574220640202 |
| STPT(10) | 1989988668245306621 | 0 2 6 8 48 50 90 92 96 98 | -474652040808 |
| SPT(16) | 1989988680651027211 | 0 12 58 60 70 82 102 106 372 376 396 408 418 420 466 478 | -462246320218 |
| STPT(10) | 1989988745775152807 | 0 2 24 26 42 44 60 62 84 86 | -397122194622 |
| SPT(16) | 1989988884588609743 | 0 24 68 126 128 138 164 200 234 270 296 306 308 366 410 434 | -258308737686 |
| STPT(10) | 1989989031836093921 | 0 2 6 8 48 50 90 92 96 98 | -111061253508 |
| STPT(10) | 1989989567094674417 | 0 2 24 26 42 44 60 62 84 86 | 424197326988 |
| SPT(16) | 1989989737053170231 | 0 56 60 68 80 92 110 122 156 168 186 198 210 218 222 278 | 594155822802 |
| SPT(16) | 1989990175226908037 | 0 36 66 74 102 170 206 212 234 240 276 344 372 380 410 446 | 1032329560608 |
| SPT(16) | 1989990820459081373 | 0 6 20 126 128 138 140 150 194 204 206 216 218 324 338 344 | 1677561733944 |
| SPT(16) | 1989990981864567221 | 0 2 8 30 56 72 122 138 140 156 206 222 248 270 276 278 | 1838967219792 |
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