# Mersenne number

## Mersenne number

[mər′sen ¦nəm·bər]
(mathematics)
A number of the form 2p- 1, where p is a prime number.
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References in periodicals archive ?
r] for a general Mersenne number (which may or may not be prime), and [M.
And here the condition that the Mersenne number [2.
A positive integer n is called as a perfect number if it is equal to the sum of all its proper divisors, A Mersenne number is a number of the form [M.
Cameron's desktop computer ran part-time for 45 days to prove that the Mersenne number, [2.
Written in binary notation, a Mersenne number consists of an unbroken string of 1s.
For example, written out in binary form, a Mersenne number consists of an unbroken string of 1s-3,021,377 of them in the case of the record prime number.
For instance, 127 is a Mersenne number for which the exponent is 7.
pi]] - 1 (with [pi] prime) are called Mersenne numbers.
Mersenne numbers were named after Marin Mersenne (1588-1648) who was a pioneer in the search for prime numbers.
Mersenne numbers have the form 2p-1, where p is a prime.
It is one of a set of numbers, known as Mersenne numbers, that were originally conjectured to be prime by the French mathematician/priest Marin Mersenne in 1644.
To honour Mersenne these are called Mersenne numbers.

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