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Prime Tuple Database
Prime p0= 1390852506296977421 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 78 12 90 42 20 24 34 6 6 74 6 6 34 24 20 42 90 12 78 (?)
an: 0 78 90 180 222 242 266 300 306 312 386 392 398 432 456 476 518 608 620 698
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 698
Found by: xii5ku
db: batch=77, k=20, 78 12 90 42 20 24 34 6 6 74
dn: 0 78 12 90 42 20 24 34 6 6 74 6 6 34 24 20 42 90 12 78 (?)
an: 0 78 90 180 222 242 266 300 306 312 386 392 398 432 456 476 518 608 620 698
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 698
Found by: xii5ku
db: batch=77, k=20, 78 12 90 42 20 24 34 6 6 74
| SPT(16) | 1390851474013777021 | 0 10 16 36 78 96 120 138 208 226 250 268 310 330 336 346 | -1032283200400 |
| SPT(16) | 1390851589063714223 | 0 68 80 98 138 174 194 260 318 384 404 440 480 498 510 578 | -917233263198 |
| TPT(14) | 1390851695522904911 | 0 2 60 62 126 128 168 170 216 218 228 230 270 272 | -810774072510 |
| STPT(10) | 1390851750488661257 | 0 2 30 32 42 44 54 56 84 86 | -755808316164 |
| TPT(14) | 1390851818909083259 | 0 2 78 80 222 224 252 254 288 290 318 320 372 374 | -687387894162 |
| STPT(10) | 1390851936472758437 | 0 2 30 32 42 44 54 56 84 86 | -569824218984 |
| SPT(18) | 1390852707913484833 | 0 10 34 70 78 154 168 190 234 304 348 370 384 460 468 504 528 538 | 201616507412 |
| STPT(10) | 1390852861884003569 | 0 2 42 44 60 62 78 80 120 122 | 355587026148 |
| SPT(16) | 1390853331996973511 | 0 2 18 30 32 38 116 128 330 342 420 426 428 440 456 458 | 825699996090 |
| STPT(10) | 1390853776767239537 | 0 2 30 32 42 44 54 56 84 86 | 1270470262116 |
| SPT(16) | 1390853781575177597 | 0 42 44 60 72 170 222 236 240 254 306 404 416 432 434 476 | 1275278200176 |
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