Loading ...
Sorry, an error occurred while loading the content.

Period Prime Test

Expand Messages
  • youareprime
    If 1/n has the period n-1 then n is prime(n is a natural number). Of cf course there exist primes for them the condition don t hold. But if it hold, n must be
    Message 1 of 2 , Nov 15, 2006
    • 0 Attachment
      If 1/n has the period n-1 then n is prime(n is a natural number). Of
      cf course there exist primes for them the condition don't hold. But if
      it hold, n must be prime.

      Is this true?
      Is this a new primality test?
    • Phil Carmody
      ... ^ The decimal expansion of ... It s closely related to well-known primality tests. Basically it checks the order of 10 modulo N. If the order is N-1, then
      Message 2 of 2 , Nov 15, 2006
      • 0 Attachment
        --- youareprime <hugoplatzer@...> wrote:
        > If 1/n has the period n-1 then n is prime(n is a natural number). Of
        ^ The decimal expansion of
        > cf course there exist primes for them the condition don't hold. But if
        > it hold, n must be prime.
        >
        > Is this true?
        > Is this a new primality test?

        It's closely related to well-known primality tests.
        Basically it checks the order of 10 modulo N. If the order is N-1, then the
        number is definitely prime.

        Phil

        () ASCII ribbon campaign () Hopeless ribbon campaign
        /\ against HTML mail /\ against gratuitous bloodshed

        [stolen with permission from Daniel B. Cristofani]



        ____________________________________________________________________________________
        Sponsored Link

        Mortgage rates near 39yr lows.
        $310k for $999/mo. Calculate new payment!
        www.LowerMyBills.com/lre
      Your message has been successfully submitted and would be delivered to recipients shortly.