Number 15

In Lotto under the 6/52 + 1/52 · Aug 2017 – Sep 2025 rules — 847 draws, 6 from 1–52 (an earlier era).

84times drawn · chance expected 98 −1.48σ

10draws waiting · a wait this long: 33% for any number

9.8average wait between appearances · chance says 8.7

46longest completed wait · 28% chance of one at least that long

15 is drawn as often as chance explains

Drawn 84 times in 847 draws against 97.7 expected, −1.48σ. Each draw is independent: after 10 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 16 times, counted separately.

Number 15, draw by draw

Drawn 84 times in 847 draws · average wait 9.8 draws · longest completed wait 46 · waiting 10 draws now

a completed wait — darker is longer the wait still running — a lower bound, not a finished gap

Where it lands in a sorted draw

Sort a draw and 15 has a favourite seat — chance gives a small number the low positions more often. That is the shape of sorting, not of the machine.

1st smallest14 · chance 15.6
2nd smallest23 · chance 33.1
3rd smallest33 · chance 25.3
4th smallest14 · chance 8.7
5th smallest0 · chance 1.3
6th smallest0 · chance 0.1

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 8.2 shared draws, and the leaders are simply the ones that came out ahead this time.

22 6 29 5 34 8

It has shared a draw with every one of the other 51 numbers; chance expected about 0.0 still unmet by now. Every pair →

How many people play it

Under the crowd model, 15 is picked about 1.22× as often as an indifferent choice — 15th most popular of 52. That changes nothing about whether it comes up, and everything about how many ways a jackpot on it would be shared.

Numbers 1–31 — the birthday zone ×1.22

The model and its sources → · What people believe about 15 →

Every draw it appeared in

Date	Wait	Position	The draw
2025-08-16	2	2nd	2 15 17 22 23 50
2025-08-09	5	2nd	4 15 38 39 41 51
2025-07-23	3	3rd	5 8 15 17 40 52
2025-07-12	46	4th

What this cannot tell you

Nothing here predicts the next draw. A number’s history is a record of a fair machine’s past, and the machine keeps none of it: 15 is drawn with probability 6/52 tonight whatever it did last week.

2022-10-12	4	2nd	4 15 16 26 44 45
2022-09-28	2	3rd	2 12 15 29 31 47
2022-09-21	3	2nd	8 15 16 24 32 42
2022-09-10	15	2nd	6 15 17 19 41 44
2022-07-20	11	3rd	3 6 15 30 41 45
2022-06-11	3	2nd	6 15 18 23 34 37
2022-06-01	4	1st	15 20 22 27 43 49
2022-05-18	20	3rd	4 9 15 16 23 29
2022-03-09	2	1st	15 17 22 29 40 42
2022-03-02	15	3rd	5 10 15 37 43 45
2022-01-08	1	3rd	6 12 15 17 22 33
2022-01-05	3	3rd	8 14 15 25 30 31
2021-12-22	7	1st	15 23 32 34 37 45
2021-11-27	5	2nd	5 15 16 34 38 42
2021-11-10	11	3rd	8 12 15 19 34 49
2021-10-02	1	2nd	2 15 27 33 43 44
2021-09-29	27	2nd	14 15 24 33 35 51
2021-06-26	5	4th	2 5 11 15 29 33
2021-06-09	9	2nd	11 15 34 36 48 50
2021-05-08	10	3rd	2 12 15 24 26 43
2021-04-03	15	3rd	6 9 15 30 32 34
2021-02-10	1	4th	1 10 12 15 21 42
2021-02-06	3	3rd	5 14 15 17 26 33
2021-01-27	4	4th	2 3 13 15 38 42
2021-01-13	6	3rd	1 3 15 25 36 48
2020-12-23	7	3rd	5 7 15 22 23 44
2020-11-28	4	3rd	6 12 15 24 36 37
2020-11-14	2	3rd	4 13 15 28 31 47
2020-11-07	17	4th	2 4 14 15 28 46
2020-09-09	7	2nd	8 15 31 33 35 43
2020-08-15	9	3rd	1 13 15 19 26 32
2020-07-15	3	3rd	4 11 15 19 27 38
2020-07-04	7	3rd	8 14 15 42 44 51
2020-06-10	1	1st	15 16 18 23 34 49
2020-06-06	3	1st	15 16 23 36 37 38
2020-05-27	3	3rd	3 9 15 24 39 42
2020-05-16	13	3rd	8 10 15 27 30 49
2020-04-01	5	2nd	7 15 32 42 45 51
2020-03-14	13	1st	15 16 17 29 37 39
2020-01-29	1	2nd	13 15 28 34 37 50
2020-01-25	9	1st	15 17 22 29 35 49
2019-12-21	4	3rd	1 3 15 29 35 45
2019-12-07	9	3rd	11 12 15 20 34 46
2019-11-06	4	1st	15 16 19 29 47 50
2019-10-23	15	3rd	9 11 15 16 20 46
2019-08-31	7	1st	15 22 25 27 39 41
2019-08-07	18	1st	15 19 24 27 44 52
2019-06-05	28	2nd	9 15 26 39 46 50
2019-02-27	14	1st	15 17 18 33 36 38
2019-01-09	3	3rd	3 8 15 26 32 43
2018-12-29	1	3rd	7 9 15 50 51 52
2018-12-26	21	4th	1 6 12 15 20 29
2018-10-13	11	1st	15 22 23 29 47 49
2018-09-05	26	3rd	1 7 15 22 29 31
2018-06-06	10	4th	2 6 10 15 27 48
2018-05-02	3	2nd	5 15 22 36 47 49
2018-04-21	16	2nd	13 15 21 26 35 49
2018-02-24	8	4th	6 11 12 15 29 31
2018-01-27	31	3rd	6 7 15 21 24 48
2017-10-11	—	2nd	5 15 24 28 42 49