prime? ( n -- ? )
Prime numbers

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next-prime ( n -- p )

Vocabulary
math.primes

Inputs

n	an integer

Outputs

?

a boolean

Word description
Test if an integer is a prime number.

See also
next-prime

Definition

USING: combinators kernel math math.primes.private sequences ;

IN: math.primes

: prime? ( n -- ? )
    {
        { [ dup 7 < ] [ { 2 3 5 } member? ] }
        { [ dup simple? ] [ drop f ] }
        [ (prime?) ]
    } cond ; foldable flushable