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Prime Tuple Database
Prime p0= 681721480340502851 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 78 48 44 6 34 2 54 36 4 36 54 2 34 6 44 48 78 (?)
an: 0 78 126 170 176 210 212 266 302 306 342 396 398 432 438 482 530 608
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 608
Found by: gemini8
db: batch=72, k=18, 78 48 44 6 34 2 54 36 4
dn: 0 78 48 44 6 34 2 54 36 4 36 54 2 34 6 44 48 78 (?)
an: 0 78 126 170 176 210 212 266 302 306 342 396 398 432 438 482 530 608
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 608
Found by: gemini8
db: batch=72, k=18, 78 48 44 6 34 2 54 36 4
| SPT(16) | 681721227415031053 | 0 34 106 126 178 196 276 286 288 298 378 396 448 468 540 574 | -252925471798 |
| TPT(12) | 681721232795621111 | 0 2 18 20 36 38 60 62 90 92 120 122 | -247544881740 |
| TPT(12) | 681721260565508921 | 0 2 90 92 156 158 246 248 258 260 330 332 | -219774993930 |
| TPT(12) | 681721296229145717 | 0 2 24 26 30 32 84 86 114 116 264 266 | -184111357134 |
| TPT(12) | 681721353497303519 | 0 2 30 32 78 80 138 140 168 170 252 254 | -126843199332 |
| TPT(12) | 681721459587609041 | 0 2 30 32 66 68 108 110 168 170 186 188 | -20752893810 |
| TPT(14) | 681721501679884439 | 0 2 12 14 42 44 90 92 168 170 228 230 270 272 | 21339381588 |
| TPT(12) | 681721573783773749 | 0 2 30 32 42 44 120 122 132 134 210 212 | 93443270898 |
| TPT(12) | 681721580943244649 | 0 2 12 14 192 194 210 212 222 224 288 290 | 100602741798 |
| SPT(16) | 681721599008099173 | 0 46 54 76 88 96 118 138 166 186 208 216 228 250 258 304 | 118667596322 |
| TPT(12) | 681721681995251837 | 0 2 42 44 60 62 84 86 210 212 300 302 | 201654748986 |
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