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Prime Tuple Database
Prime p0= 2660985640047809861 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 8 18 30 6 10 6 50 52 68 52 50 6 10 6 30 18 8 (?)
an: 0 8 26 56 62 72 78 128 180 248 300 350 356 366 372 402 420 428
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 428
Found by: conf [MM]
db: batch=82, k=18, 8 18 30 6 10 6 50 52 68
dn: 0 8 18 30 6 10 6 50 52 68 52 50 6 10 6 30 18 8 (?)
an: 0 8 26 56 62 72 78 128 180 248 300 350 356 366 372 402 420 428
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 428
Found by: conf [MM]
db: batch=82, k=18, 8 18 30 6 10 6 50 52 68
| SPT(18) | 2660984735186076967 | 0 42 52 70 84 94 136 142 156 160 174 180 222 232 246 264 274 316 | -904861732894 |
| STPT(10) | 2660985030143369957 | 0 2 24 26 42 44 60 62 84 86 | -609904439904 |
| STPT(10) | 2660985151080576347 | 0 2 24 26 42 44 60 62 84 86 | -488967233514 |
| SPT(16) | 2660985330466528883 | 0 20 44 48 54 96 104 138 146 180 188 230 236 240 264 284 | -309581280978 |
| SPT(16) | 2660985534416993867 | 0 132 146 200 206 234 240 252 254 266 272 300 306 360 374 506 | -105630815994 |
| STPT(10) | 2660985586258197461 | 0 2 6 8 48 50 90 92 96 98 | -53789612400 |
| SPT(16) | 2660985684342950449 | 0 4 18 60 70 88 112 114 148 150 174 192 202 244 258 262 | 44295140588 |
| STPT(10) | 2660985716314486619 | 0 2 42 44 60 62 78 80 120 122 | 76266676758 |
| SPT(16) | 2660986389082569169 | 0 70 84 108 130 144 150 220 312 382 388 402 424 448 462 532 | 749034759308 |
| STPT(10) | 2660986492571398889 | 0 2 18 20 30 32 42 44 60 62 | 852523589028 |
| STPT(10) | 2660986783807759397 | 0 2 12 14 72 74 132 134 144 146 | 1143759949536 |
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