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Prime Tuple Database
Prime p0= 31685689966398049 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 4 20 16 14 4 6 38 10 2 64 2 10 38 6 4 14 16 20 4 (?)
an: 0 4 24 40 54 58 64 102 112 114 178 180 190 228 234 238 252 268 288 292
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 292
Found by: Farscape
db: batch=65, k=20, 4 20 16 14 4 6 38 10 2 64
dn: 0 4 20 16 14 4 6 38 10 2 64 2 10 38 6 4 14 16 20 4 (?)
an: 0 4 24 40 54 58 64 102 112 114 178 180 190 228 234 238 252 268 288 292
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 292
Found by: Farscape
db: batch=65, k=20, 4 20 16 14 4 6 38 10 2 64
| SPT(14) | 31685637379451893 | 0 4 36 60 66 78 96 118 136 148 154 178 210 214 | -52586946156 |
| SPT(14) | 31685637837424733 | 0 18 30 38 66 108 110 126 128 170 198 206 218 236 | -52128973316 |
| TPT(12) | 31685658463438919 | 0 2 90 92 132 134 162 164 168 170 240 242 | -31502959130 |
| SPT(14) | 31685665931337079 | 0 4 48 120 148 168 204 214 250 270 298 370 414 418 | -24035060970 |
| SPT(14) | 31685668773643663 | 0 34 64 106 114 174 190 210 226 286 294 336 366 400 | -21192754386 |
| SPT(14) | 31685669757034721 | 0 30 60 68 86 120 126 212 218 252 270 278 308 338 | -20209363328 |
| SPT(14) | 31685691484740649 | 0 10 24 28 48 70 94 108 132 154 174 178 192 202 | 1518342600 |
| TPT(12) | 31685691980866769 | 0 2 18 20 30 32 102 104 108 110 150 152 | 2014468720 |
| TPT(12) | 31685709459947789 | 0 2 108 110 138 140 210 212 240 242 252 254 | 19493549740 |
| SPT(14) | 31685724132784129 | 0 22 30 64 88 100 102 130 132 144 168 202 210 232 | 34166386080 |
| SPT(14) | 31685730197135243 | 0 26 66 98 140 146 164 210 228 234 276 308 348 374 | 40230737194 |
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