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Prime Tuple Database
Prime p0= 1688323424403988861 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 30 12 18 70 12 8 16 26 64 26 16 8 12 70 18 12 30 (?)
an: 0 30 42 60 130 142 150 166 192 256 282 298 306 318 388 406 418 448
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 448
Found by: conf [MM]
db: batch=79, k=18, 30 12 18 70 12 8 16 26 64
dn: 0 30 12 18 70 12 8 16 26 64 26 16 8 12 70 18 12 30 (?)
an: 0 30 42 60 130 142 150 166 192 256 282 298 306 318 388 406 418 448
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 448
Found by: conf [MM]
db: batch=79, k=18, 30 12 18 70 12 8 16 26 64
| STPT(10) | 1688322288136233707 | 0 2 24 26 42 44 60 62 84 86 | -1136267755154 |
| STPT(10) | 1688322360375673049 | 0 2 18 20 30 32 42 44 60 62 | -1064028315812 |
| STPT(10) | 1688322397420425509 | 0 2 78 80 120 122 162 164 240 242 | -1026983563352 |
| SPT(16) | 1688322628254816667 | 0 36 40 54 64 66 70 142 204 276 280 282 292 306 310 346 | -796149172194 |
| SPT(16) | 1688323104991062517 | 0 84 96 120 136 172 174 220 246 292 294 330 346 370 382 466 | -319412926344 |
| SPT(16) | 1688323137452534239 | 0 24 28 48 72 88 90 154 198 262 264 280 304 324 328 352 | -286951454622 |
| STPT(10) | 1688323714774645967 | 0 2 12 14 72 74 132 134 144 146 | 290370657106 |
| STPT(10) | 1688323837396302647 | 0 2 30 32 72 74 114 116 144 146 | 412992313786 |
| STPT(10) | 1688324021296498637 | 0 2 84 86 102 104 120 122 204 206 | 596892509776 |
| STPT(10) | 1688324169405407489 | 0 2 42 44 90 92 138 140 180 182 | 745001418628 |
| STPT(10) | 1688324278045204757 | 0 2 24 26 42 44 60 62 84 86 | 853641215896 |
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