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Prime Tuple Database
Prime p0= 2143509378977929213 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 4 2 48 64 12 6 8 30 22 2 22 30 8 6 12 64 48 2 4 (?)
an: 0 4 6 54 118 130 136 144 174 196 198 220 250 258 264 276 340 388 390 394
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 394
Found by: FDB ITALIA S.r.l.
db: batch=80, k=20, 4 2 48 64 12 6 8 30 22 2
dn: 0 4 2 48 64 12 6 8 30 22 2 22 30 8 6 12 64 48 2 4 (?)
an: 0 4 6 54 118 130 136 144 174 196 198 220 250 258 264 276 340 388 390 394
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 394
Found by: FDB ITALIA S.r.l.
db: batch=80, k=20, 4 2 48 64 12 6 8 30 22 2
| STPT(10) | 2143508193735232739 | 0 2 48 50 60 62 72 74 120 122 | -1185242696474 |
| STPT(10) | 2143508449351324217 | 0 2 30 32 42 44 54 56 84 86 | -929626604996 |
| SPT(16) | 2143509026134246081 | 0 70 72 90 112 132 160 210 268 318 346 366 388 406 408 478 | -352843683132 |
| SPT(16) | 2143509037152353971 | 0 18 52 70 72 88 126 136 192 202 240 256 258 276 310 328 | -341825575242 |
| STPT(10) | 2143509078484762169 | 0 2 18 20 30 32 42 44 60 62 | -300493167044 |
| TPT(14) | 2143509287297093789 | 0 2 78 80 108 110 192 194 318 320 342 344 372 374 | -91680835424 |
| SPT(16) | 2143509536961320533 | 0 4 36 48 78 88 174 256 288 370 456 466 496 508 540 544 | 157983391320 |
| STPT(10) | 2143509544332898667 | 0 2 72 74 102 104 132 134 204 206 | 165354969454 |
| SPT(13) | 2143509592248662857 | 0 30 42 60 66 72 156 240 246 252 270 282 312 | 213270733644 |
| SPT(16) | 2143509952768950071 | 0 48 60 62 80 98 116 132 176 192 210 228 246 248 260 308 | 573791020858 |
| SPT(16) | 2143510418071267463 | 0 14 26 36 44 56 80 96 98 114 138 150 158 168 180 194 | 1039093338250 |
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