Forum: Soap Box
2021-03-02, 07:05
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Replies: 1,374
Views: 46,070
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Forum: FermatSearch
2021-03-02, 06:49
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Replies: 333
Views: 55,001
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Forum: Forum Feedback
2021-03-02, 06:15
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Replies: 18
Views: 581
@OP:
Yes. You are missing something. Those...
@OP:
Yes. You are missing something. Those numbers are wrong. A multiplication with a power of 2 (random shift) will rotate all the operations by that amount, therefore when you square, you double...
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Forum: Information & Answers
2021-02-27, 13:36
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Replies: 2
Views: 208
That exponent has about 4.2% P-1 done from...
That exponent has about 4.2% P-1 done from kriesel, which is enough for the actual front, but is somehow low for 332M, considering that the PRP test takes a lot of time in that range. You are good,...
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Forum: mersenne.ca
2021-02-27, 13:25
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Replies: 540
Views: 58,228
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Forum: Reading
2021-02-27, 10:14
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Replies: 15
Views: 2,874
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Forum: mersenne.ca
2021-02-27, 10:02
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Replies: 7
Views: 289
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Forum: mersenne.ca
2021-02-27, 09:48
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Replies: 540
Views: 58,228
If not complicate, please allow zero for the...
If not complicate, please allow zero for the minimum number of factors. Let the default as it is (1 to 11) but allow me to change to 0 if I want 1277 to be in the list if I request exponents from...
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Forum: Lounge
2021-02-27, 09:44
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Replies: 1,100
Views: 86,765
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Forum: Operation Billion Digits
2021-02-27, 07:14
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Replies: 14
Views: 9,373
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Forum: mersenne.ca
2021-02-25, 09:41
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Replies: 7
Views: 289
It is shown...
It is shown (https://www.mersenne.ca/prp.php?show=2&min_exponent=1000&max_exponent=2000#M1051), if you click on "cofactor is..." on the page you linked.
Just because the author chose that way to...
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Forum: Information & Answers
2021-02-25, 05:20
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Replies: 20
Views: 490
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Offtopic, about thread title.
There is...
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Offtopic, about thread title.
There is nothing "moronic" about asking, and we (engineers, math/technical guys, geeks, etc.) love humble questions and love the people who sincerely want to...
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Forum: Soap Box
2021-02-24, 09:45
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Replies: 17
Views: 406
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Forum: Soap Box
2021-02-24, 09:44
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Replies: 17
Views: 406
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Forum: And now for something completely different
2021-02-24, 06:52
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Replies: 21
Views: 1,937
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Forum: Soap Box
2021-02-24, 06:30
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Replies: 17
Views: 406
Thinking better of it, and if you put it that...
Thinking better of it, and if you put it that way, and joking apart, I think you are right. For sure that's not an easy breezy job to do.
But being there, it would be easier to hunt for your...
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Forum: Soap Box
2021-02-24, 03:52
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Replies: 17
Views: 406
Schwarzenegger for president!
Or... can...
Schwarzenegger for president!
Or... can anybody here provide me some fake papers certifying that I was born in the land of milk and honey all possibilities and oranges?
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Forum: Combinatorics & Combinatorial Number Theory
2021-02-24, 02:31
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Replies: 9
Views: 9,470
\(n=M_{1277}-1 = 2^{1277}-1-1 = 2^{1277}-2 =...
\(n=M_{1277}-1 = 2^{1277}-1-1 = 2^{1277}-2 = 2*(2^{1276}-1)\). That's a string of 1276 of 1, followed by a zero. 1276 is divisible by 2, 4, 11, 29. Therefore (by grouping the ones), n should be...
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Forum: YAFU
2021-02-24, 02:04
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Replies: 485
Views: 56,922
Yep. That has the advantage that you can use...
Yep. That has the advantage that you can use different copies of yafu in different local folders to do different (types of) jobs (like aliquotes, etc), possibly with different externals (ggnfs and...
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Forum: Soap Box
2021-02-24, 01:56
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Replies: 685
Views: 53,606
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Forum: sweety439
2021-02-23, 14:34
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Replies: 127
Views: 12,122
Ok. It sounds right. Sorry, I had it in my mind...
Ok. It sounds right. Sorry, I had it in my mind that the mirrored number has to be prime, but I didn't know that it has to be a different prime. Still don't know why, and I assume the definition is...
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Forum: Miscellaneous Math
2021-02-23, 11:19
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Replies: 32
Views: 1,408
Ha ha, that's dirty. Bad Robert! :yucky:
...
Ha ha, that's dirty. Bad Robert! :yucky:
You can easily get any relation and multiply it with constants to have all dependent, which won't be the case in real life, when you would get them...
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Forum: PrimeNet
2021-02-23, 09:15
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Replies: 7
Views: 363
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Forum: Cloud Computing
2021-02-23, 08:39
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Replies: 45
Views: 1,663
Ok, it kicked me out. I set the CPU work for...
Ok, it kicked me out. I set the CPU work for PRP-CF-DC work, which would only take few hours, so I can do them in 2 or 3 puny sessions (puny because they don't seem to last more than 1-2-3 hours,...
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Forum: Lounge
2021-02-23, 07:50
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Replies: 4,254
Views: 305,300
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