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Prime Tuple Database
Prime p0= 1531871485017553403 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 44 4 6 50 60 4 2 4 56 4 2 4 60 50 6 4 44 (?)
an: 0 44 48 54 104 164 168 170 174 230 234 236 240 300 350 356 360 404
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 404
Found by: crashtech
db: batch=78, k=18, 44 4 6 50 60 4 2 4 56
dn: 0 44 4 6 50 60 4 2 4 56 4 2 4 60 50 6 4 44 (?)
an: 0 44 48 54 104 164 168 170 174 230 234 236 240 300 350 356 360 404
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 404
Found by: crashtech
db: batch=78, k=18, 44 4 6 50 60 4 2 4 56
| SPT(16) | 1531870542797980393 | 0 40 136 150 154 166 184 214 276 306 324 336 340 354 450 490 | -942219573010 |
| SPT(16) | 1531870695674607143 | 0 30 48 74 116 126 144 176 198 230 248 258 300 326 344 374 | -789342946260 |
| STPT(10) | 1531870922676813077 | 0 2 60 62 72 74 84 86 144 146 | -562340740326 |
| SPT(16) | 1531871054548240397 | 0 12 24 26 50 60 80 84 242 246 266 276 300 302 314 326 | -430469313006 |
| STPT(10) | 1531871392263354629 | 0 2 12 14 90 92 168 170 180 182 | -92754198774 |
| STPT(10) | 1531871474771499707 | 0 2 24 26 42 44 60 62 84 86 | -10246053696 |
| STPT(10) | 1531871562876992807 | 0 2 30 32 42 44 54 56 84 86 | 77859439404 |
| STPT(10) | 1531872268047347879 | 0 2 72 74 120 122 168 170 240 242 | 783029794476 |
| STPT(10) | 1531872447773048837 | 0 2 30 32 42 44 54 56 84 86 | 962755495434 |
| TPT(14) | 1531872558255146687 | 0 2 24 26 30 32 192 194 264 266 270 272 282 284 | 1073237593284 |
| SPT(16) | 1531872806078549281 | 0 12 18 22 70 100 102 120 190 208 210 240 288 292 298 310 | 1321060995878 |
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