Lottario Number Pairs

Which two numbers have turned up in the same draw most often, across 552 draws. With 6 numbers drawn from 45, any given pair should appear about 8.4 times by chance alone.

A pair at the top of this list is not linked to its partner. There are 990 possible pairs, so some of them will land well above average purely because that is how randomness distributes — and which ones do changes over time.

Most frequent pairs

Pair	Draws together	vs expected
37 44	18	+9.6
25 38	18	+9.6
3 34	17	+8.6
6 13	17	+8.6
9 43	17	+8.6
10 19	16	+7.6
15 30	16	+7.6
38 39	16	+7.6
27 35	16	+7.6
17 19	16	+7.6
42 43	16	+7.6
28 40	16	+7.6
37 39	16	+7.6
3 35	15	+6.6
6 21	15	+6.6
21 39	15	+6.6
13 35	15	+6.6
1 34	15	+6.6
34 35	15	+6.6
1 24	15	+6.6
14 20	15	+6.6
27 32	15	+6.6
2 31	15	+6.6
35 42	15	+6.6
3 6	15	+6.6

Consecutive numbers

301 of 552 draws (55%) contained at least one pair of consecutive numbers, such as 23 and 24. People often avoid these on the assumption they are unlikely — as the figure shows, they are common.

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Results, archive and analysis, all from OLG draw data