Bases 501-1030 reservations/statuses/primes

[gd_barnes]

Originally Posted by unconnected

k=29 has already been completed to n=400K
http://mersenneforum.org/showpost.ph...&postcount=632
And k=37 now @ 229K (info from rieselprime.de).

The CRUS pages have k=29 at 339K and k=37 (74) at 240K. I generally try to update the various powers of bases 2 and 5 efforts (worked by other projects) about once every 3-6 months so it is slightly out of date. Rieselprime.org for k<300 is also out of date. Per 15k.org, k=29 is at 400K and k=37 (74) is at 230K base 1024. I'm not sure where I got that k=37 was at 240K.

So officially for our R1024 purposes:
k=29 is at n=400K
k=37 (74) is at n=230K

[gd_barnes]

I have updated the CRUS pages to show the current search depth for R1024. I have also provided a link to the R1024 sieve file on the reservations page. I have sorted the file by n and removed all tests that have already been done base 2 so it should only have k=37 for n=230K-400K (base 1024) in it...a total of 2033 tests.

[gd_barnes]

Originally Posted by rogue

With help from Lennart, I have collected the n to be tested for R1024 for n up to 400000 (n=4000000 base 2). I'm too busy with R151 to spend time on it right now, but if someone else is interested, here you go. There are 4344 tests in this file. Presuming I've calculated correctly, there is a 50% chance that a prime will be found amongst these tests.

Sorry to burst your bubble here:

Assuming an average n-value in the file of n=3M base 2 and 4344 tests sieved to P=100P (100000T), the chance of prime was actually ~13-14%.

Now that we know that there are only 2033 pairs remaining to be tested in this range at an average n=~3.15M (k=37 for n=230K-400K base 1024), the actual chance of prime is ~6.3%.

[rogue]

Originally Posted by gd_barnes

Sorry to burst your bubble here:

Assuming an average n-value in the file of n=3M base 2 and 4344 tests sieved to P=100P (100000T), the chance of prime was actually ~13-14%.

Now that we know that there are only 2033 pairs remaining to be tested in this range at an average n=~3.15M (k=37 for n=230K-400K base 1024), the actual chance of prime is ~6.3%.

Sorry, you're correct. For some reason I was thinking 1024=2^8 and 2^10 at the same time. With fewer pairs, it will take a lot less time for someone to test.

[gd_barnes]

Reserving S530 and S578 to n=100K.

[MyDogBuster]

S784 tested n=-100K-200K - nothing found

Results emailed - base released

[unconnected]

R510 is complete to n=100K, 1 prime (48*510^77480-1).
Reserving R526, R530, R579, R601, R813, R814, R816, R873, R941, R942 to n=100K.

[MyDogBuster]

Reserving R665 & S707 to n=200K

[gd_barnes]

Reserving S710, S753, and S773 to n=100K.

[gd_barnes]

R643, S530, S534, S573, S578, S710, S753, and S773 are complete to n=100K; 4 primes were found for n=50K-100K; # of k's remaining and primes shown below; all bases are released.

remaining:

R643: 0 primes; 3 k's remaining
S530: 1 prime; 2 k's remaining
S534: 1 prime; 2 k's remaining
S573: 0 primes; 3 k's remaining
S578: 0 primes; 4 k's remaining
S710: 0 primes; 4 k's remaining
S753: 1 prime; 2 k's remaining
S773: 1 prime; 5 k's remaining

primes:

31*530^74898+1
24*534^72261+1
142*753^92369+1
34*773^70958+1

[MyDogBuster]

S798 tested n=100K-200K - nothing found

Results emailed - Base released