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Prime Tuple Database
Prime p0= 2109878171212570247 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 12 2 6 22 12 32 40 6 8 16 8 6 40 32 12 22 6 2 12 (?)
an: 0 12 14 20 42 54 86 126 132 140 156 164 170 210 242 254 276 282 284 296
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 296
Found by: conf [MM]
db: batch=80, k=20, 12 2 6 22 12 32 40 6 8 16
dn: 0 12 2 6 22 12 32 40 6 8 16 8 6 40 32 12 22 6 2 12 (?)
an: 0 12 14 20 42 54 86 126 132 140 156 164 170 210 242 254 276 282 284 296
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 296
Found by: conf [MM]
db: batch=80, k=20, 12 2 6 22 12 32 40 6 8 16
| STPT(10) | 2109877252111389581 | 0 2 6 8 18 20 30 32 36 38 | -919101180666 |
| SPT(16) | 2109877355204952293 | 0 30 44 74 80 86 108 114 200 206 228 234 240 270 284 314 | -816007617954 |
| STPT(10) | 2109877362567945569 | 0 2 18 20 30 32 42 44 60 62 | -808644624678 |
| SPT(16) | 2109877487429027227 | 0 6 64 106 120 132 142 156 190 204 214 226 240 282 340 346 | -683783543020 |
| STPT(10) | 2109877521775967429 | 0 2 48 50 90 92 132 134 180 182 | -649436602818 |
| STPT(10) | 2109877964327476139 | 0 2 18 20 30 32 42 44 60 62 | -206885094108 |
| SPT(16) | 2109878339562862327 | 0 4 42 54 60 70 84 106 120 142 156 166 172 184 222 226 | 168350292080 |
| STPT(10) | 2109878422556998529 | 0 2 18 20 60 62 102 104 120 122 | 251344428282 |
| STPT(12) | 2109878565633070877 | 0 2 12 14 54 56 150 152 192 194 204 206 | 394420500630 |
| STPT(10) | 2109878566477585217 | 0 2 12 14 42 44 72 74 84 86 | 395265014970 |
| SPT(16) | 2109878759496912739 | 0 34 48 52 70 108 118 130 132 144 154 192 210 214 228 262 | 588284342492 |
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