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Random Number Generator

Random number generation / Random Numbers

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This random number generator (RNG) has generated some random numbers for you in the table below. Click 'More random numbers' to generate some more, click 'customize' to alter the number ranges (and text if required). For a full explanation of the nature of randomness and random numbers, click the 'Information' menu link.

This utility generates random numbers, and is completely free to use! The numbers could be used for games, choosing lottery numbers or any other purpose. Whenever you want to generate a new set of numbers, simply click 'More random numbers'.


- (click 'More random numbers' for more!)
Random six-sided dice5
Random number between 1 and 1010
Random lottery number between 1 and 4238
Random lottery number between 1 and 4915
Random number between 1 and 10039
Random number between 1 and 1000447
Random number between -100 and 100-38

(All the random numbers are generated on the web server by the JScript Math.random() RNG function.)

The numbers are generated with a uniform distribution - that is, no number within the specified range is any more or less likely to appear than any other number.

Computers are designed to perform accurate, repeatable calculations - so how are they used to generate random numbers? Find out in the Random Number Information section!

You can customize this page to display up to 20 random numbers in whatever ranges you choose. For example if your lottery coupon requires five numbers between 1 and 42 and an extra number between 1 and 20, then you can change this page so that it generates appropriate random numbers. (Note that cookies must be enabled in your browser for this feature to work correctly.)