Forum: Miscellaneous Math
2022-06-22, 16:30
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Replies: 10
Views: 398
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Forum: Factoring
2022-06-12, 16:53
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Replies: 24
Views: 1,611
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Forum: YAFU
2022-05-30, 00:04
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Replies: 400
Views: 53,311
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Forum: FactorDB
2022-05-29, 23:56
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Replies: 571
Views: 108,149
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Forum: Factoring
2022-05-27, 21:49
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Replies: 84
Views: 3,294
@charybdis: Why would there even be an...
@charybdis: Why would there even be an investigaton? If someone published a working, polynomial-time factoring algorithm for classical computers, that algorithm would be considered "protected speech"...
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Forum: FactorDB
2022-05-27, 21:35
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Replies: 571
Views: 108,149
I know of a reason to keep it. Since we don't...
I know of a reason to keep it. Since we don't have a built-in floor or ceiling function, we can represent it as floor(a/b)=(a-(a%b))/b, and ceil(a/b)=(a-(a%b))/b+1. We can use this to calculate...
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Forum: mersenne.ca
2022-05-26, 00:43
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Replies: 942
Views: 128,285
What about p>2^32?
Please add support for TF "no factor" results 2^32<p<10^10. There are 251,772,290 prime exponents in that range, and I want to be able to see how much TF has been run on such exponents without known...
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Forum: Aliquot Sequences
2022-05-09, 16:25
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Replies: 683
Views: 29,835
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Forum: And now for something completely different
2022-05-09, 15:35
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Replies: 188
Views: 13,966
This is what happened when I tried running...
This is what happened when I tried running ecpp-mpi via "mpirun ecpp-mpi -g -n '10^1000+453' -c -f cert-1000" (The example provided in the accompanying PDF from their website):
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Forum: And now for something completely different
2022-05-08, 23:58
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Replies: 188
Views: 13,966
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Forum: Miscellaneous Math
2022-05-03, 15:45
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Replies: 580
Views: 76,986
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Forum: Aliquot Sequences
2022-05-03, 15:27
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Replies: 1,811
Views: 210,208
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Forum: Aliquot Sequences
2022-05-02, 22:30
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Replies: 1,811
Views: 210,208
Is it possible for an even sequence to hit a...
Is it possible for an even sequence to hit a square over 100 digits, change parity, and hit another square around 20-40 digits after a few terms? I've been thinking about this for the past month, and...
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Forum: Aliquot Sequences
2022-05-02, 20:07
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Replies: 1,811
Views: 210,208
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Forum: And now for something completely different
2022-05-01, 15:22
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Replies: 57
Views: 32,062
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Forum: Miscellaneous Math
2022-04-17, 17:28
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Replies: 2
Views: 842
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Forum: FactorDB
2022-04-12, 00:33
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Replies: 571
Views: 108,149
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Forum: Science & Technology
2022-03-03, 22:06
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Replies: 1,595
Views: 152,893
The atmospheric changes caused by nuclear war...
The atmospheric changes caused by nuclear war would cool the Earth down (i.e. nuclear winter). So, in addition to all the horrible contamination and death that would come with it, there would in fact...
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Forum: FactorDB
2022-02-04, 16:16
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Replies: 571
Views: 108,149
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Forum: Factoring
2022-01-28, 18:16
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Replies: 55
Views: 6,022
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Forum: Factoring
2022-01-27, 21:55
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Replies: 55
Views: 6,022
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Forum: FactorDB
2022-01-25, 15:51
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Replies: 571
Views: 108,149
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Forum: Soap Box
2022-01-23, 17:03
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Replies: 983
Views: 96,751
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Forum: Soap Box
2022-01-23, 16:28
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Replies: 983
Views: 96,751
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Forum: Miscellaneous Math
2022-01-23, 16:20
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Replies: 17
Views: 1,786
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