Odds & combinations
One valid ticket
1 in 292,201,338
Every valid combination has this same jackpot probability.
Birthday-number range
1.51% of combinations
Using 1–31 narrows the combinations you choose from. It does not make any valid ticket more likely to be drawn.
Show the math and limits
The calculator chooses 5 distinct main numbers from the selected range, then multiplies by the ways to choose 1 bonus number from 26. It uses the current game rules stored in NumberCalendar and does not calculate lower-tier prizes, ticket cost, or expected value.