randomprime.frink

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// Simple function to generate random prime numbers with a specified
// number of bits.

randomPrime[bits] :=
{
   base = 2^(bits-1) + 1
   while(true)
   {
      b = base + randomBits[bits-2] * 2
      if (isPrime[b])
         return b
      else
         b = b + 2
   }
}

b = eval[input["Enter number of bits: "]]

count = 100
start = now[]
for a = 1 to count
{
   m = randomPrime[b]
   println[m->binary]
}
end = now[]

println["Average generation took " + ((end-start)/count -> ms) + " ms."]


Download or view randomprime.frink in plain text format

This is a program written in the programming language Frink.
For more information, view the Frink Documentation or see More Sample Frink Programs.

Alan Eliasen was born 19971 days, 23 hours, 5 minutes ago.