Lottery reference
Mega-Sena Rules
This page explains the basic Mega-Sena format in plain English. Use it as a pre-pick reference, then confirm official local rules before playing.
How Mega-Sena works
| Market | Brazil |
|---|---|
| Draw days | Usually Wednesday and Saturday; special event schedules may differ. |
| Ticket note | Minimum 6-number entry; official price can change by CAIXA schedule. |
| Pick format | Choose 6 to 20 numbers from 1 to 60. A minimum 6-number entry competes for Sena, Quina and Quadra prize tiers. |
| Top-prize match | 6 main numbers |
| Jackpot odds | 1 in 50,063,860 for a 6-number entry |
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.