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Prime Tuple Database
Prime p0= 427707831841291913 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 8 28 2 36 40 12 14 30 64 26 64 30 14 12 40 36 2 28 8 (?)
an: 0 8 36 38 74 114 126 140 170 234 260 324 354 368 380 420 456 458 486 494
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 494
Found by: LCB001
db: batch=70, k=20, 8 28 2 36 40 12 14 30 64 26
dn: 0 8 28 2 36 40 12 14 30 64 26 64 30 14 12 40 36 2 28 8 (?)
an: 0 8 36 38 74 114 126 140 170 234 260 324 354 368 380 420 456 458 486 494
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 494
Found by: LCB001
db: batch=70, k=20, 8 28 2 36 40 12 14 30 64 26
| SPT(14) | 427707773396387507 | 0 30 66 116 122 140 174 182 216 234 240 290 326 356 | -58444904406 |
| TPT(12) | 427707777359417909 | 0 2 132 134 198 200 228 230 300 302 312 314 | -54481874004 |
| SPT(14) | 427707779924187041 | 0 30 42 60 96 108 132 206 230 242 278 296 308 338 | -51917104872 |
| SPT(14) | 427707800457015241 | 0 16 60 72 88 126 148 150 172 210 226 238 282 298 | -31384276672 |
| STPT(10) | 427707801372943079 | 0 2 18 20 30 32 42 44 60 62 | -30468348834 |
| SPT(14) | 427707815818783783 | 0 28 30 90 96 136 138 178 180 220 226 286 288 316 | -16022508130 |
| STPT(10) | 427707887533144247 | 0 2 30 32 42 44 54 56 84 86 | 55691852334 |
| TPT(12) | 427707887853815981 | 0 2 18 20 60 62 126 128 198 200 228 230 | 56012524068 |
| TPT(12) | 427707895409129981 | 0 2 60 62 90 92 126 128 198 200 216 218 | 63567838068 |
| TPT(12) | 427707899497124219 | 0 2 108 110 150 152 210 212 348 350 372 374 | 67655832306 |
| SPT(14) | 427707906735481513 | 0 10 16 30 36 58 60 64 66 88 94 108 114 124 | 74894189600 |
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