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Search: Posts Made By: Dylan14
Forum: Prime Wiki 2020-04-03, 13:27
Replies: 138
Sticky: Prime-Wiki
Views: 7,985
Posted By Dylan14
The other option would to move the full table to...

The other option would to move the full table to a pdf, much like what is done for the Cunningham tables (https://www.rieselprime.de/ziki/2_Minus_Tables). The one downside is that editing it would be...
Forum: Cloud Computing 2020-03-24, 01:39
Replies: 939
Views: 33,617
Posted By Dylan14
The return code comes from subprocess.run....

The return code comes from subprocess.run. Ideally, it should be 0, which means the program ran with no problems. Here, we got a non zero code, which means something went wrong when python tried to...
Forum: Cloud Computing 2020-03-23, 17:45
Replies: 939
Views: 33,617
Posted By Dylan14
I missed a key thing: the list of arguments have...

I missed a key thing: the list of arguments have to be enclosed in brackets ([]).
So it should read
subprocess.run([“content/drive/My Drive/cudapm1/cudapm1-0.20/CUDAPm1”, “61408363”, “-b1”,...
Forum: Cloud Computing 2020-03-23, 14:14
Replies: 939
Views: 33,617
Posted By Dylan14
When you use subprocess.call (or subprocess.run),...

When you use subprocess.call (or subprocess.run), it expects each parameter to be in its own string, separated by a comma. The way you have it, it is trying to run the whole thing as an executable,...
Forum: enzocreti 2020-03-20, 18:35
Replies: 1
Views: 147
Posted By Dylan14
Up to the ten millionth prime the only...

Up to the ten millionth prime the only combinations in which ((p*10^2-q)/9)^(1/3) is a positive integer and p and q are emirps are
31 13
124981 189421
126653 356621
96139019 91093169
96179059...
Forum: Conjectures 'R Us 2020-03-15, 13:24
Replies: 2,071
Views: 129,441
Posted By Dylan14
S306 update

S306 at n = 5133, 1318 primes found so far, will report when I reach n = 10k.
Forum: FermatSearch 2020-03-13, 01:49
Replies: 175
Sticky: Reservations
Views: 13,328
Posted By Dylan14
FermatFactor=290,299,8e13,10e13 is now complete....

FermatFactor=290,299,8e13,10e13 is now complete. No factor was found.

Taking FermatFactor=99,99,23e14,25e14.
Forum: FermatSearch 2020-03-11, 00:07
Replies: 175
Sticky: Reservations
Views: 13,328
Posted By Dylan14
This range is 92% complete. ETA 3 days.

This range is 92% complete. ETA 3 days.
Forum: enzocreti 2020-03-03, 18:38
Replies: 1
Views: 198
Posted By Dylan14
Yes. I wrote this Python script to determine said...

Yes. I wrote this Python script to determine said numbers:
#program to check if a number is congruent to its last 2 decimal digits mod p,
#where p is a prime

N = -10000
p = 23
while(N<=10000):...
Forum: Prime Wiki 2020-03-02, 20:53
Replies: 4
Views: 1,203
Posted By Dylan14
I would leave the reservation as part of the...

I would leave the reservation as part of the history if it is actively being worked on or if it was completed (perhaps with a note stating it was completed). If no work has been reported for a while...
Forum: Miscellaneous Math 2020-03-02, 14:22
Replies: 10
Views: 819
Posted By Dylan14
The coloring is my edit. If your picture is of...

The coloring is my edit. If your picture is of something before the Big Bang, your work probably isn’t well suited for a nuclear physics journal, and you should look for a journal that does...
Forum: Riesel Prime Search 2020-03-01, 03:05
Replies: 332
Views: 27,667
Posted By Dylan14
Update on this search: I have sieved a file up to...

Update on this search: I have sieved a file up to n = 2M and am testing it.
Has anyone worked on k = 50171 since amphoria released it in 2007 at n = 1.5 M? If not, I'll take it.
Forum: enzocreti 2020-02-24, 17:59
Replies: 3
Views: 141
Posted By Dylan14
Quick piece of Mathematica code to test this: ...

Quick piece of Mathematica code to test this:
For[n = 1, n <= 10000, n++,
If[IntegerQ[Sqrt[1/3*(2^n - 5)]], Print[n, " ", 2^n - 4]]]This is equivalent since
2^n-4=3s^2+1
2^n-5=3s^2...
Forum: enzocreti 2020-02-23, 23:47
Replies: 2
Views: 166
Posted By Dylan14
An easy way we could do this would be to fix one...

An easy way we could do this would be to fix one of the values of x, y and z to a particular prime. For example, let's take z = 53, which is prime.
Then your equation becomes
1763 = x - y + 53, or...
Forum: Lone Mersenne Hunters 2020-02-22, 02:22
Replies: 1,548
Views: 118,708
Posted By Dylan14
A nice find with P-1 stage 1 on a 8M Mersenne: ...

A nice find with P-1 stage 1 on a 8M Mersenne:

P-1 found a factor in stage #1, B1=240000.
UID: Dylan14/laptop-i78750, M8362931 has a factor: 249176169757007063770688569 (P-1, B1=240000)87.687 bits
Forum: Prime Wiki 2020-02-20, 18:08
Replies: 138
Sticky: Prime-Wiki
Views: 7,985
Posted By Dylan14
First question: Yes, it is possible. It would be...

First question: Yes, it is possible. It would be considered poaching, if they find a prime above the region you are searching. Or vandalism if they change the values of n that yield primes.
Second...
Forum: And now for something completely different 2020-02-19, 12:01
Replies: 14
Views: 2,217
Posted By Dylan14
No, I have not.

No, I have not.
Forum: Cloud Computing 2020-02-19, 00:41
Replies: 939
Views: 33,617
Posted By Dylan14
Introducing tf1G.py v0.14: New feature: you...

Introducing tf1G.py v0.14:

New feature: you can set the maximum number of loops to run by setting the variable MAXLOOPS. Setting it to 0 will mean the script runs until something happens that...
Forum: NFS@Home 2020-02-17, 04:43
Replies: 126
Views: 8,133
Posted By Dylan14
5_676m has been factored: p57 factor:...

5_676m has been factored:
p57 factor: 433662973881837752050956949639003976716711097037350305087
p139 factor:...
Forum: Conjectures 'R Us 2020-02-16, 17:04
Replies: 2,071
Views: 129,441
Posted By Dylan14
Reserving S306 to n = 10k.

Reserving S306 to n = 10k.
Forum: enzocreti 2020-02-14, 16:56
Replies: 1
Views: 190
Posted By Dylan14
Firstly, since n+215k is n mod 215 for any n and...

Firstly, since n+215k is n mod 215 for any n and k in the integers, we know that (1+215k)^3 must be 1 mod 215 = 2^0 mod 215, and similarly for the others cases stated ((6+215k)^3 = 2^0 mod 215, and...
Forum: enzocreti 2020-02-13, 22:19
Replies: 3
Views: 226
Posted By Dylan14
Code used to test this: #define the repunit ...

Code used to test this:

#define the repunit
def R(n):
return (10**n-1)/9
#powers from 0 to 42 are 4, 8, 9, 16, 25, 32 and 36
n = 1
while n<=10000:
residue = R(n)%43
if residue...
Forum: NFS@Home 2020-02-11, 14:31
Replies: 126
Views: 8,133
Posted By Dylan14
Taking 5_676m.

Taking 5_676m.
Forum: FermatSearch 2020-02-10, 17:37
Replies: 175
Sticky: Reservations
Views: 13,328
Posted By Dylan14
update

First range is complete. No factors found. Second range is at 1%, ETA 3-4 weeks.
Forum: Software 2020-02-10, 02:32
Replies: 292
Views: 18,673
Posted By Dylan14
A suggestion: when using the -A (or the...

A suggestion: when using the -A (or the --applyandexit flag), assume that if there is no file given with -I, assume that the factors are given in a file called "factors.txt", or warn the user that...
Showing results 1 to 25 of 451

 
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