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nextprime {gmp}

Next Prime Number
Package: 
gmp
Version: 
0.5-5

Description

Return the next prime number, say p, with p >= n.

Usage

nextprime(n)

Arguments

n
Integer

Details

This function uses probabilistic algorithm to identify primes. For practical purposes, it is adequate, the chance of a composite passing will be extremely small.

Values

A (probably) prime number

References

The GNU MP Library, see http://gmplib.org

See Also

isprime and its references and examples.

Examples

nextprime(14)
## still very fast:
(p <- nextprime(1e7))
## to be really sure { isprime()  gives "probably prime" } :
stopifnot(identical(p, factorize(p)))

Author(s)

Antoine Lucas

Documentation reproduced from package gmp, version 0.5-5. License: GPL