On Wed, Jan 20, 2016 at 8:54 PM, Telmo Menezes <[email protected]> wrote:
> > > On Wed, Jan 20, 2016 at 8:49 PM, John Mikes <[email protected]> wrote: > >> JKC: is that so indeed? my minuscule math tells me that if something (any >> long number - or short) ends with a "1" then the* MINUS 1* of this >> number ends in a zero, dividable e.g. by 2, even 10 etc... 22 million >> digits??? >> > > John, the number is written as a power of 2. What ends in 1 is the > exponential. > Sorry, I meant the exponent, of course. > > Best, > Telmo. > > >> John M >> >> On Wed, Jan 20, 2016 at 1:26 PM, John Clark <[email protected]> wrote: >> >>> The largest known prime number has just been found, 2^74207281 -1 is >>> prime; it starts off as 300376 carries on for a bit and then concludes with >>> 436351. I omitted the middle bit because the entire number is 22,338,618 >>> digits long. >>> >>> >>> https://www.washingtonpost.com/news/speaking-of-science/wp/2016/01/20/the-newest-prime-number-is-more-than-22-million-digits-long/ >>> >>> John K Clark >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Everything List" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at https://groups.google.com/group/everything-list. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Everything List" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at https://groups.google.com/group/everything-list. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.

