The book is now available! A Primality Test
(another Prime Pages' Curiosity)
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The hardware and software on this system was updated September 4th.  Please let me know of any problem you encounter. <caldwell@utm.edu>

Do you have an integer you would like to test for primality? If it is small (say less than 9007199254740991 = 253 - 1), then try this script:

Is prime?
For larger numbers try Dario Alpern's exceptional on-line routine to factor and prove primality. Other useful links include


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