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Prime Tuple Database
Prime p0= 1555403053625722991 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 42 18 12 68 16 74 6 34 32 88 32 34 6 74 16 68 12 18 42 (?)
an: 0 42 60 72 140 156 230 236 270 302 390 422 456 462 536 552 620 632 650 692
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 692
Found by: crashtech
db: batch=78, k=20, 42 18 12 68 16 74 6 34 32 88
dn: 0 42 18 12 68 16 74 6 34 32 88 32 34 6 74 16 68 12 18 42 (?)
an: 0 42 60 72 140 156 230 236 270 302 390 422 456 462 536 552 620 632 650 692
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 692
Found by: crashtech
db: batch=78, k=20, 42 18 12 68 16 74 6 34 32 88
| STPT(10) | 1555402215611350991 | 0 2 66 68 108 110 150 152 216 218 | -838014372000 |
| STPT(10) | 1555402243176273377 | 0 2 30 32 42 44 54 56 84 86 | -810449449614 |
| STPT(10) | 1555402251729310487 | 0 2 24 26 42 44 60 62 84 86 | -801896412504 |
| STPT(10) | 1555402387275749237 | 0 2 30 32 42 44 54 56 84 86 | -666349973754 |
| STPT(10) | 1555402469327823341 | 0 2 36 38 78 80 120 122 156 158 | -584297899650 |
| SPT(16) | 1555402677730913329 | 0 22 28 30 40 58 114 142 180 208 264 282 292 294 300 322 | -375894809662 |
| SPT(16) | 1555403076973608221 | 0 2 50 72 80 90 128 156 182 210 248 258 266 288 336 338 | 23347885230 |
| SPT(16) | 1555403153310094367 | 0 12 60 66 74 96 140 164 252 276 320 342 350 356 404 416 | 99684371376 |
| SPT(16) | 1555403227462180973 | 0 24 38 74 84 128 134 224 360 450 456 500 510 546 560 584 | 173836457982 |
| TPT(14) | 1555403244108792269 | 0 2 78 80 198 200 228 230 270 272 408 410 462 464 | 190483069278 |
| STPT(10) | 1555403475888670319 | 0 2 18 20 30 32 42 44 60 62 | 422262947328 |
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