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For all of you countdown junkies:
[quote]All exponents below 31,494,937 have been tested at least once. Countdown to testing all exponents below M(32582657) once: 2 Countdown to testing all exponents below M(37156667) once: 8[/quote] [attach]5668[/attach] It just seemed that the old millstone thread was a bit long. 
[quote=Uncwilly;229242]For all of you countdown junkies:
[attach]5668[/attach] It just seemed that the old millstone thread was a bit long.[/quote] OTOH it did enable one to gauge the progress by seeing earlier posts. The milestone I would like to monitor is the countdown to the status of exponents below (say) 55M not being unknown. David PS The LL wavefront is struggling to reach 51M. 
[QUOTE=davieddy;229311]
The milestone I would like to monitor is the countdown to the status of exponents below (say) 55M not being unknown. David [/QUOTE] This would be a nice feature. 
[SIZE="1"][COLOR="White"][SUB].[/SUB][/COLOR][/SIZE][QUOTE]Countdown to testing all exponents below M(32582657) once: 2
Countdown to testing all exponents below M(37156667) once: 6 Countdown to proving M(24036583) is the 41st Mersenne Prime: 2,267 Countdown to proving M(25964951) is the 42nd Mersenne Prime: 34,831[/QUOTE] 
[quote=henryzz;229196]There are now 51 exponents remaining less than 22M,
A speadsheet regression line seems to suggest mid 2012 but need more data to be accurate.[/quote] There are now 46 dc exponents remaining less than 22M. I will also start counting down first time LLs less than 30M. There are currently 59. I will make an updated spreadsheet next time I post. 
[QUOTE=henryzz;230534]There are now 46 dc exponents remaining less than 22M.
I will also start counting down first time LLs less than 30M. There are currently 59. I will make an updated spreadsheet next time I post.[/QUOTE] You are referring to "assigned" exponents. My enthusiasm for following this would be increased if you could find out why anyone is testing the 6 below 21M or why the 200 or so below 37M are described as first time tests. This is readily available on the primenet summary page. @ UncWilly: this is all there on the milestones page. As I've said before, the interest is to be derived from the rate of change of the countdowns. Since this is more or less exactly the same for M42 to M47, there is a sort of redundancy generated by the freakish number of primes discovered in the last few years. FWIW countdown to proving M42 is M42 was 41,605 on 29th July. David PS I don't think "milestones" were placed by the roadside randomly. 
September 21, 2010: The trial factoring wavefront hits 77M.

[QUOTE=henryzz;230534]There are now 46 dc exponents remaining less than 22M.
I will also start counting down first time LLs less than 30M. There are currently 59. I will make an updated spreadsheet next time I post.[/QUOTE] There are now 43 dc exponents remaining less than 22M. LLs less than 30M is increasing somehow so I won't continue recording that. Regression line still says mid 2012. 
[QUOTE=henryzz;231499]There are now 43 dc exponents remaining less than 22M.
[/QUOTE] No, there remain less than that to be tested. Actually, at the time of writing these lines, there are 35 exponents less than 22M remaining to be DCed. You were counting the [U]assigned[/U] ones. And there are no first time LLs remaining under 30M. The ones assigned will be finished (or not...) as DChecks. 
[QUOTE=henryzz;231499]There are now 43 dc exponents remaining less than 22M.
LLs less than 30M is increasing somehow so I won't continue recording that. Regression line still says mid 2012.[/QUOTE] There are now 39 assigned dc exponents remaining less than 22M. 
[QUOTE]Countdown to testing all exponents below M(32582657) once: 2
Countdown to testing all exponents below M(37156667) once: 4 Countdown to proving M(24036583) is the 41st Mersenne Prime: 1,466 Countdown to proving M(25964951) is the 42nd Mersenne Prime: 31,544[/QUOTE][SIZE="1"][COLOR="White"][SUP].[/SUP][/COLOR][/SIZE] 
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