# Factorizing Mersenne Numbers

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A number of the form is a Mersenne number, named after Marin Mersenne (1588–1648). If the resulting number is prime, then it is called a Mersenne prime, with (or M74207281) currently the largest known prime.

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Contributed by: Ed Pegg Jr (July 2015)

Open content licensed under CC BY-NC-SA

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References

[1] "M991 Press Release". (Jul 23, 2015) www.mersenneforum.org/showthread.php?t=20308.

[2] S. Wagstaff. "The Cunningham Project". (Jul 12, 2015) homes.cerias.purdue.edu/~ssw/cun/index.html.

[3] "2 Minus Tables". (Jul 23, 2015) www.mersennewiki.org/index.php/2_Minus _Tables.

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