Block 15,509
A prime quintuplet, 512 bits, mined by 8eff6dbe 2026-11-03.
Shape derived from the starting prime · illustrative positions, exact offset labels.
Members
Consensus uses a base-2 Fermat test. The explorer re-checks each member with Baillie-PSW and 20 Miller-Rabin rounds.
| Offset | Consensus | Strong test | Value |
|---|---|---|---|
| p+0 | prime | prime | 689516520079…660497 |
| p+4 | prime | prime | 689516520079…660501 |
| p+6 | prime | prime | 689516520079…660503 |
| p+10 | prime | prime | 689516520079…660507 |
| p+12 | prime | prime | 689516520079…660509 |
| p+16 | composite | – | 689516520079…660513 |
p in full
6895165200792329763757398032731490082701994849827588306438443472507194986531103042602631972056926298759752759541745940293488225829000162409643995216660497
Payouts
Thirty percent of the reward, split by work across the last 256 shares. The rest goes to the science escrow.
| bbbabadd | 7.11734694 |
| 8eff6dbe | 4.56025623 |
| 95cd8cb1 | 1.74011295 |
| 37e47e75 | 1.58228388 |
Transactions
This share carries no transactions.