David Slowinski is a
mathematician
A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems.
Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...
involved in
prime number
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only way ...
s. His career highlights have included the discovery of several of the largest known
Mersenne prime
In mathematics, a Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form for some integer . They are named after Marin Mersenne, a French Minim friar, who studied them in the early 17 ...
s:
* 2
44497−1 (M27) (with
H. L. Nelson) on April 8, 1979
* 2
86243−1 (M28) on September 25, 1982
* 2
132049−1 (M30) on September 19, 1983
* 2
216091−1 (M31) on September 1, 1985
* 2
756839−1 (M32) (with
P. Gage) on February 17, 1992
* 2
859433−1 (M33) (with P. Gage) on January 4, 1994
* 2
1257787−1 (M34) (with P. Gage) on September 3, 1996
He has also written several textbooks on the subject.
Slowinski was a software engineer for
Cray Research
Cray Inc., a subsidiary of Hewlett Packard Enterprise, is an American supercomputer manufacturer headquartered in Seattle, Washington. It also manufactures systems for data storage and analytics. Several Cray supercomputer systems are listed ...
.
["Slowinski, a software engineer for Cray Research Inc. in Chippewa Falls, discovered the number at 11:36 a.m. Monday. .e. 1983 September 19br>Jim Higgins, "Elusive numeral's number is up" and "Scientist finds big number" in ''The Milwaukee Sentinel'' - Sep 24, 1983, p. 1p. 11]
etrieved 2012-10-23/ref>
References
External links
*
David Slowinski on Prime Wiki
David Slowinski on The Prime Pages
Living people
20th-century American mathematicians
Cray employees
Number theorists
Year of birth missing (living people)
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