Common random number ranges and how endpoint rules work. For the full explanation, see How Random Number Generators Actually Work.
| Use Case | Typical Range |
|---|---|
| Single die roll | 1 to 6 |
| Percentage or probability roll | 0 to 100 |
| Coin flip (as a number) | 0 to 1 |
| Lottery-style draw | 1 to 49 (varies by game) |
The Random Number Generator generates random numbers within any range instantly.
Random Number Generator
It depends on the generator’s settings. Check whether “1 to 10” includes both 1 and 10, or excludes one end, before relying on the exact range.
Yes, unless it’s specifically configured to generate unique values without replacement.
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