What is bonus number in Lotto Max?

A: A Bonus number is drawn in addition to the game's main winning numbers for LOTTO 6/49, LOTTO MAX, WESTERN 649 and WESTERN MAX, and it does not appear on your ticket. Several prize categories pay prizes when you match the Bonus number - read the game pages for details.
eurojackpot tips and tricks
http://pratikinfratech.com/3075/can-you-buy-euromillions-online
https://lottery-life.blogspot.com/2020/02/what-are-old-powerball-numbers.html