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Prime Tuple Database
Prime p0= 2861171602644928201 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 66 10 26 30 40 84 2 22 30 68 30 22 2 84 40 30 26 10 66 (?)
an: 0 66 76 102 132 172 256 258 280 310 378 408 430 432 516 556 586 612 622 688
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 688
Found by: [SG-FC] hl
db: batch=82, k=20, 66 10 26 30 40 84 2 22 30 68
dn: 0 66 10 26 30 40 84 2 22 30 68 30 22 2 84 40 30 26 10 66 (?)
an: 0 66 76 102 132 172 256 258 280 310 378 408 430 432 516 556 586 612 622 688
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 688
Found by: [SG-FC] hl
db: batch=82, k=20, 66 10 26 30 40 84 2 22 30 68
| SPT(16) | 2861169173598930703 | 0 4 6 18 90 136 186 208 216 238 288 334 406 418 420 424 | -2429045997498 |
| STPT(10) | 2861169696309078569 | 0 2 18 20 30 32 42 44 60 62 | -1906335849632 |
| SPT(16) | 2861170485387477631 | 0 18 30 36 70 88 96 120 148 172 180 198 232 238 250 268 | -1117257450570 |
| SPT(16) | 2861171053248563269 | 0 4 18 34 40 60 88 162 250 324 352 372 378 394 408 412 | -549396364932 |
| STPT(10) | 2861171404847335631 | 0 2 6 8 18 20 30 32 36 38 | -197797592570 |
| STPT(10) | 2861171551668889091 | 0 2 6 8 48 50 90 92 96 98 | -50976039110 |
| STPT(10) | 2861172004302511721 | 0 2 6 8 48 50 90 92 96 98 | 401657583520 |
| STPT(10) | 2861172010771234211 | 0 2 6 8 18 20 30 32 36 38 | 408126306010 |
| SPT(16) | 2861172117410798771 | 0 26 72 108 128 140 150 152 186 188 198 210 230 266 312 338 | 514765870570 |
| STPT(10) | 2861172289698104297 | 0 2 24 26 42 44 60 62 84 86 | 687053176096 |
| STPT(10) | 2861173293694978289 | 0 2 18 20 30 32 42 44 60 62 | 1691050050088 |
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