#19814: Group Theory::random_prime(n) generating composite numbers for large
values
of n
-------------------------------------------------+-------------------------
Reporter: DayneSorvisto | Owner:
Type: PLEASE CHANGE | DayneSorvisto
Priority: major | Status: new
Component: number theory | Milestone: sage-7.0
Keywords: prime numbers | Resolution:
Authors: | Merged in:
Report Upstream: Reported upstream. No | Reviewers:
feedback yet. | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
-------------------------------------------------+-------------------------
Changes (by DayneSorvisto):
* owner: => DayneSorvisto
Old description:
> Hi,
>
> First time posting a bug report on trac. The bug I'd like to report is
> "random_value" returns composite numbers for large integers. For example
> m =
> random_prime(100000000000000000000000000000000000000000000000000000000000000000000000000)
> returned
> 71944724797690175157403755256108218794891687825722145298657347991279721529
> which is a composite number ending in 9.
New description:
Hi,
First time posting a bug report on trac. The bug I'd like to report is
"random_value" returns composite numbers for large integers. For example
{{{
random_prime(100000000000000000000000000000000000000000000000000000000000000000000000000)
}}}
returned
71944724797690175157403755256108218794891687825722145298657347991279721529
which is a composite number ending in 9. I am using the SageMath cloud
notebook but believe it's reproducible on other implementations of Sage.
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Ticket URL: <http://trac.sagemath.org/ticket/19814#comment:1>
Sage <http://www.sagemath.org>
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