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The outcome of the project can be seen on Professor Caldwell's prime number Web site at the University of Tennessee at Martin (see the on-line Resources). The Vermont facility has found over 50 prime numbers, including the six largest, in about 18 months. PIES overall has found more than 900 large prime numbers.

Nearly 100 more primes from 150,000–200,000 digits are expected from the current “apple” band. The next band, which won't be started until the current band approaches completion, probably will contain at least 40 primes of between 300,000 and 400,000 digits. Presently, only 50 known primes of that size exist in the world. The PIES Project's impact on the record tables, despite its current relatively small size, therefore is expected to be quite significant.

Resources for this article: article/8328.

Bob Bruen teaches computer security and Linux at Springfield Technical Community College in Springfield, Massachusetts. He has been working with Linux for over a decade and has been the book review editor for Cipher for almost as long.

Phil Carmody is a 34-year-old mathematician who earned his degree from England's prestigious Oxford University in 1991. When he isn't coding for work or pleasure, he enjoys wordplay, live music and drinking single-malt whiskey and English beer.

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