R: Next Prime Number

nextprime {gmp} | R Documentation

## Next Prime Number

### 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.

### Value

A (probably) prime number

### Author(s)

Antoine Lucas

### 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)))

[Package gmp version 0.5-13.2 Index]