Lottery reference
La Primitiva Rules
This page explains the basic La Primitiva format in plain English. Use it as a pre-pick reference, then confirm official local rules before playing.
How La Primitiva works
| Market | Spain |
|---|---|
| Draw days | Monday, Thursday and Saturday |
| Ticket note | Spanish operator pricing and add-ons apply. |
| Pick format | Choose 6 main numbers from 1 to 49 plus a Reintegro from 0 to 9. Complementario is drawn for prize calculation. |
| Top-prize match | 6 main numbers + Reintegro |
| Jackpot odds | 1 in 139,838,160 for 6 + Reintegro |
Before you play
Historical data can help you review frequency, range balance and common number habits. It cannot make a random draw predictable. The safest use is to treat diagnostics as context and entertainment, not as a promise.
Source and update note
This guide uses the stored LottoWinners.club results archive plus the public rule source listed below. Official operator pages can change. Re-check rules before playing.