What Is Pair Frequency
In Pick 3, every draw contains three digits. A "pair" is any two of those three digits that appeared in the same draw, without regard to order or position. For the draw 7-2-4, the pairs are (7,2), (7,4), and (2,4). The Pair Frequency page counts how many times every possible two-digit pair has appeared across all draws, across all states, and ranks them from most to least frequent. This reveals whether certain digit combinations cluster together more than random chance would predict.
For Pick 4, a draw of 3-8-1-5 contains six pairs: (3,8), (3,1), (3,5), (8,1), (8,5), (1,5). The same analysis applies.
The National Pair Table
The primary table shows every pair (from 0-0 to 9-9) ranked by total national appearances. Each row shows:
- Pair: The two digits, displayed as a compact badge (e.g., "3–7").
- National Count: Total times this pair appeared in any draw across all states in the selected time window.
- States: How many individual states contributed at least one appearance of this pair.
- Rate: The pair's appearance count as a percentage of total possible pair appearances nationally.
- Bar Indicator: A mini horizontal bar proportional to count for quick visual comparison.
The expected frequency for any specific pair in Pick 3 is roughly 3 in 1,000 draws (three pairs per draw ÷ 1,000 possible unique pairs if all pairs were equally distributed, though the actual math accounts for draws with repeated digits). Pairs appearing significantly above this rate are genuinely over-represented.
Filtering by State
The State Filter dropdown at the top of the table narrows the count column to show only that state's contribution to each pair. This lets you answer the question: "Is the 2–7 pair as dominant in Ohio as it is nationally, or is the national ranking being driven by a few outlier states?" Switching between national view and state view for the same pair can reveal whether a pattern is broadly distributed or concentrated in one or two states.
Pairs vs Full Combos
Pair analysis is different from searching for a full combination (covered in the National Combo Search tool). A pair analysis tells you which two-digit building blocks tend to appear together most. A combo search tells you whether a specific three-digit combination has hit. Pair data is most useful for building combinations: if you know 2 and 7 co-occur frequently nationally, you might build combos that include both (2-7-X for various X) rather than treating all three digits as fully independent choices.
How to Use Pair Data
Start by identifying the top 5–10 national pairs. These are your "reliable" building blocks — digit combinations that have shown above-average co-occurrence across the full dataset. Then use the State Filter to check whether those pairs are also strong in the specific state where you plan to play. A pair in the national top 10 that is also top 10 in your target state is a stronger candidate than a pair that is nationally strong but weak in your state. For deeper analysis of a specific pair's history in one state, use that state's own Frequency Analysis and pair table.
Disclaimer: This tool is for informational and entertainment purposes only. Lottery draws are random events and past results do not predict future outcomes. Play responsibly.