[ExI] [Bulk] Re: New prime number found
spike
spike66 at att.net
Wed Jan 20 20:16:08 UTC 2016
-----Original Message-----
From: extropy-chat [mailto:extropy-chat-bounces at lists.extropy.org] On Behalf
Of Mike Dougherty
Sent: Wednesday, January 20, 2016 11:18 AM
To: ExI chat list <extropy-chat at lists.extropy.org>
Subject: [Bulk] Re: [ExI] New prime number found
On Wed, Jan 20, 2016 at 1:37 PM, spike < <mailto:spike66 at att.net>
spike66 at att.net> wrote:
> Cool thanks for the heads up. I heard when it was discovered but with
> a number that size it really is important to wait for a verification.
> The discovery came on the 20th anniversary of GIMPS, the Great
> Internet Mersenne Prime Search.
>>.So was that occurrence in the normal/expected frequency?
The signal remains consistent and shows that cumulative probability theory
works..
I plotted log doubling time for the largest known prime against date. For
the last nearly 20 years since the start of GIMPS, that doubling time is
staying in the 5 to 10 second range, as shown:
The doubling time since the previous record on 25 Jan 2013 is 5.7 seconds.
The size of the largest known prime number has doubled every 5.7 seconds for
the past 3 yrs.
spike
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