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Random Number Generator & Checker

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Free custom random numbers

Check your RNG

For lotteries, prize draws, contests, gaming, divination, research and more

Random Number Generator

Generate  integers between  and   


To select winners in prize draws, choose Unique Values

For lottery numbers (e.g. 6 from 1 to 49) choose Unique Values

For values >9999999 generate 8 or more (0-9, Open Sequence)
Treat the output as one number

Open Sequence - each integer can appear any number of times
Closed Sequence - each integer appears an equal number of times
Unique Values - each integer appears once only

Disclaimer: While every effort has been taken to ensure the error-free operation of this random number generator, no warranty of its accuracy or suitability for any purpose is made or implied, and no liability will be accepted for any inconvenience, loss or damage caused directly or indirectly from its use.

Our Random Number Generator & Checker is recommended in:

Bryman, A. & Cramer, D. (2011). Quantitative Data Analysis with IBM SPSS 17, 18 & 19: A Guide for Social Scientists. New York: Routledge. (p.122)

Johnson, B. & Christensen, L. (2012). Educational Research: Quantitative, Qualitative, and Mixed Approaches, 4th Edition. Thousand Oaks, CA. & London: Sage Publications. (p.220)

Vogt, W.P. & Johnson, R.B. (2011). Dictionary of Statistics & Methodology: A Nontechnical Guide for the Social Sciences. Thousand Oaks, CA, London, & New Delhi: Sage Publications. (p.437)

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