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numtheory

  

mersenne

  

nth Mersenne prime

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

mersenne(n)

mersenne([i])

Parameters

n, i

-

positive integers

Description

• 

Important: The numtheory[mersenne] command has been deprecated.  Use the superseding commands NumberTheory[IthMersenne], NumberTheory[IsMersenne] instead.

• 

The function mersenne computes Mersenne primes. If the argument n is an integer then mersenne(n) will return 2n1 if 2n1 is known to be prime.  Otherwise, if n is prime, but 2n1 is not determinably prime, then mersenne(n) will return FAIL.  Finally, if n is composite it will return false.

• 

If the argument is a list with one integer element [i], then mersenne([i]) will return the ith Mersenne prime.  If the value is beyond Maple's precomputed list of Mersenne primes, an error will be issued.

• 

The command with(numtheory,mersenne) allows the use of the abbreviated form of this command.

Examples

withnumtheory:

mersenne3

7

(1)

mersenne3

31

(2)

mersenne4

false

(3)

mersenne224737

false

(4)

mersenne756853

false

(5)

See Also

numtheory[fermat]

 


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