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Search: Posts Made By: swishzzz
Forum: Factoring 2021-01-30, 02:03
Replies: 512
Views: 76,240
Posted By swishzzz
Very close to the same digital length composition...

Very close to the same digital length composition for two 3-ways


10^199 + 23173 =
224433735459577392947020227278055347817380372899653241 *...
Forum: Factoring 2021-01-11, 00:34
Replies: 25
Views: 4,499
Posted By swishzzz
Adding 2^309±c to the above: 2^309-31899...

Adding 2^309±c to the above:


2^309-31899 =
24781986941524378779451719636879394253653915667 *
42085504376393744737222716439904864143412540839

2^309+19499 =...
Forum: Factoring 2021-01-04, 05:45
Replies: 25
Views: 4,499
Posted By swishzzz
base 2 brilliant numbers

All found before November 2018.


2^305 + 47261 =
7316490771476709190807652965574102572379302277 *
8909346472058358236842543861359565227710116409

2^307 - 19027 =...
Forum: Factoring 2020-12-30, 21:24
Replies: 25
Views: 4,499
Posted By swishzzz
I have a Python web scraper that I use to check...

I have a Python web scraper that I use to check entries of the form n + c for varying c on factordb, though even filtering out composites which do not have a prime factor below 20M still generates...
Forum: Factoring 2020-12-21, 02:25
Replies: 25
Views: 4,499
Posted By swishzzz
Apparently someone had already found this factor...

Apparently someone had already found this factor as the entry shows up on factordb.com and was created some time before November 2018. A google search of either factor gives nothing.

Sieving of...
Forum: Lounge 2020-12-20, 05:45
Replies: 1,663
Views: 68,777
Posted By swishzzz
Obama birthers all mock America birth

Obama birthers all mock America

birth
Forum: Lounge 2020-12-20, 05:38
Replies: 23
Views: 1,951
Posted By swishzzz
lavalamp Lacking a veracious acronym,...

lavalamp

Lacking a veracious acronym, lexicologist abjectly mutters periodically

veracity
Forum: ONeil 2020-12-05, 08:15
Replies: 8
Views: 427
Posted By swishzzz
That's actually a fair point, I think there is a...

That's actually a fair point, I think there is a heuristic for HTML pages where the ones that are written using tabs are 5-15% smaller and takes similarly less time to load. Or maybe you have a...
Forum: ONeil 2020-12-05, 07:54
Replies: 8
Views: 427
Posted By swishzzz
We should be the ones asking you this rather than...

We should be the ones asking you this rather than the other way around. Evidently it seems like you have learned nothing since the last pointless Python script you produced. So before you post...
Forum: Puzzles 2020-11-26, 21:44
Replies: 34
Views: 2,096
Posted By swishzzz
2020 = 666 + 666 + 666 + sqrt(666 - 13*13 - 13) ...

2020 = 666 + 666 + 666 + sqrt(666 - 13*13 - 13)

7 numbers.
Forum: Puzzles 2020-11-26, 21:29
Replies: 34
Views: 2,096
Posted By swishzzz
I've proven by brute force search that there does...

I've proven by brute force search that there does not exist a solution using either 7 numbers or 4 of each, if we only allow the simple operators +, -, *, /.

The closest solution with 4 of each is...
Forum: Puzzles 2020-11-26, 20:26
Replies: 34
Views: 2,096
Posted By swishzzz
13 * (13*13+13-666/(13+13)) - 13 8 numbers...

13 * (13*13+13-666/(13+13)) - 13

8 numbers used.
Forum: Puzzles 2020-11-26, 18:53
Replies: 34
Views: 2,096
Posted By swishzzz
(666 + (666+666+666)/666) * (13+13+13)/13 + 13 ...

(666 + (666+666+666)/666) * (13+13+13)/13 + 13

Uses 5 of each.
Forum: Lounge 2020-11-13, 05:12
Replies: 23
Views: 1,951
Posted By swishzzz
Many armed rabbits took infants and newborns...

Many armed rabbits took infants and newborns silently

Silently
Forum: Lounge 2020-11-13, 04:50
Replies: 447
Views: 24,045
Posted By swishzzz
66600049

66600049
Forum: Lounge 2020-11-13, 04:38
Replies: 302
Views: 29,283
Posted By swishzzz
Can't have innumerable chickens keeping eggs...

Can't have innumerable chickens keeping eggs nearby

Keeping
Forum: Lounge 2020-11-13, 04:26
Replies: 23
Views: 1,951
Posted By swishzzz
Thinking hard on unnecessarily gimmicky, highly...

Thinking hard on unnecessarily gimmicky, highly technical solutions

Gimmicky
Forum: Math 2020-11-13, 04:09
Replies: 3
Views: 594
Posted By swishzzz
It has already been proven that an even number N...

It has already been proven that an even number N is a perfect number if and only if N = 2^(k-1)*(2^k-1) and 2^k-1 is prime: https://primes.utm.edu/notes/proofs/EvenPerfect.html

As retina has...
Forum: ONeil 2020-11-13, 03:43
Replies: 18
Views: 1,192
Posted By swishzzz
print('''Warning: if you wish to be a prime...

print('''Warning: if you wish to be a prime number theorist, then you
have to realize, as the integers grow the prime gaps increase too! So
predicting prime numbers is near impossible at the very...
Forum: Math 2020-11-13, 02:54
Replies: 9
Views: 1,020
Posted By swishzzz
According to Theorem 1.2 in the paper, given a...

According to Theorem 1.2 in the paper, given a base-q, an integer s <= q^0.2875, and any base-q digits 0 <= a_1, ..., a_s <= q-1, there are infinitely many primes such that the base-q representation...
Forum: Math 2020-11-13, 00:50
Replies: 9
Views: 1,020
Posted By swishzzz
Hard recreational math problems

Are problems like these remotely solvable using known number theoretic methods?

1. Prove/disprove that there exists a square whose decimal representation contains only 0's and 1's and is not of...
Forum: Factoring 2020-11-11, 22:59
Replies: 512
Views: 76,240
Posted By swishzzz
Lucky find of the month:

Lucky find of the month:
Forum: Lounge 2020-11-10, 14:57
Replies: 2,066
Views: 83,748
Posted By swishzzz
All paper plates like enveloping spaces ...

All paper plates like enveloping spaces

SpaceX
Forum: Lounge 2020-11-10, 14:44
Replies: 1,663
Views: 68,777
Posted By swishzzz
gears Getting Expected Arithmetic Results...

gears

Getting Expected Arithmetic Results Scrutinized

elect
Forum: Factoring 2020-11-10, 04:04
Replies: 40
Views: 13,669
Posted By swishzzz
I am reserving 10^199+c to find the smallest...

I am reserving 10^199+c to find the smallest 200-digit number which splits into p100*p100. Likely to take at least a few months with an expected 160+ SNFS factorizations, thought I'd at least post...
Showing results 1 to 25 of 53

 
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