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Forum: Languages -- Ancient & Modern, Human & Machine 2021-01-31, 11:28
Replies: 22
Views: 1,349
Posted By rudy235
ONCE

In English once is only one time.

In Spanish "once" is eleven times more than "once".
Forum: And now for something completely different 2021-01-31, 09:30
Replies: 9
Views: 577
Posted By rudy235
12 12 2121 @12:21 GMT (I meant Titanic 24-tuplet)

12 12 2121 @12:21 GMT (I meant Titanic 24-tuplet)
Forum: And now for something completely different 2021-01-31, 09:26
Replies: 9
Views: 577
Posted By rudy235
The description given By Sergei is very concise. ...

The description given By Sergei is very concise. Why don't you present it to UTM with that description?

Ahh! Congratulations BTW.
Forum: Lounge 2020-12-28, 19:17
Replies: 1,677
RIP
Views: 138,204
Posted By rudy235
ARMANDO MANZANERO LEGENDARY Mexican singer and...

ARMANDO MANZANERO LEGENDARY Mexican singer and composer (https://www.cnn.com/2020/12/28/entertainment/armando-manzanero-death-scli-intl/index.html).
Forum: Lounge 2020-12-13, 23:07
Replies: 1,677
RIP
Views: 138,204
Posted By rudy235
https://thehill.com/blogs/in-the-know/in-the-know/...

https://thehill.com/blogs/in-the-know/in-the-know/530037-legendary-spy-novelist-john-le-carre-dead-at-89

Yup, you beat me to the punch!!
Forum: Lounge 2020-12-03, 06:48
Replies: 1,677
RIP
Views: 138,204
Posted By rudy235
COVID-19

COVID-19
Forum: Science & Technology 2020-11-24, 16:17
Replies: 67
Views: 4,549
Posted By rudy235
305 metres aka 1000 feet.

305 metres aka 1000 feet.
Forum: Science & Technology 2020-11-24, 13:42
Replies: 67
Views: 4,549
Posted By rudy235
Found this. Arecibo observatory supporters ask...

Found this.
Arecibo observatory supporters ask White House to help save damaged radio telescope


https://www.space.com/arecibo-observatory-supporters-petitioning-white-house
Forum: Science & Technology 2020-11-23, 21:09
Replies: 67
Views: 4,549
Posted By rudy235
I do not see a way this could be repaired. They...

I do not see a way this could be repaired. They dropped the ball (no pun intended) when on August 10 the first cable snapped.

I hate to engage in political opinion but the current administration...
Forum: Science & Technology 2020-11-23, 04:57
Replies: 67
Views: 4,549
Posted By rudy235
How many of this forum have actually visited the...

How many of this forum have actually visited the Arecibo Radio Telescope?
I was there in November 2013.
Forum: Data 2020-10-24, 23:17
Replies: 3,362
Views: 250,437
Posted By rudy235
Primes with more than 2 million digits

Today we reached a milestone of sorts with the 97th and 100th primes that have more than 2 million digits.


39×26648997+1 100th. 2'001,550 digits

39x26684941+1 . 97th. 2'013,370...
Forum: sweety439 2020-10-01, 17:10
Replies: 10
836
Views: 1,046
Posted By rudy235
Forgive me if i'm wrong. isn't it that 22,...

Forgive me if i'm wrong.

isn't it that 22, 33, 44... 99 are 2-digit palindromic numbers?

And what about 1001, 1111, 1221, 1331... 9889, 9999. Aren't those 4 digit palindromic numbers?
Forum: Computer Science & Computational Number Theory 2020-08-31, 03:01
Replies: 34
Views: 17,893
Posted By rudy235
Well, I must say it is impressive. ...

Well, I must say it is impressive.

Congratulations to both of you.:smile::lavalamp:
Forum: Lounge 2020-08-27, 09:04
Replies: 48
Views: 9,361
Posted By rudy235
Took about 15 min to figure the geometry. ...

Took about 15 min to figure the geometry. (asuming water temperture at 0.1ºC (32.2ºF) and air pressure about 4.6 Torr) :smile:
and then 5 mins to do the math. it comes to Sqrt(15)*4 + Sqrt(2)*2=...
Forum: Riesel Prime Search 2020-08-02, 17:36
Replies: 238
Views: 38,148
Posted By rudy235
Well, 101 happens to be prime.

Well, 101 happens to be prime.
Forum: Riesel Prime Search 2020-08-01, 17:44
Replies: 238
Views: 38,148
Posted By rudy235
Largest prime for 2020 (till now)

TO BE VERIFIED

Congratulations to Serge Batalov.

Gaussian Mersenne. #20 on the current list.

215317227 + 27658614 + 1

4,610,945 digits.
Forum: Lounge 2020-07-30, 22:25
Replies: 1,677
RIP
Views: 138,204
Posted By rudy235
Pokemon quote: “Life can be a challenge....

Pokemon quote:

“Life can be a challenge. Life can seem impossible. It’s never easy when there’s so much on the line. But you and I can make a difference. There’s a mission just for you and me.”
...
Forum: Computer Science & Computational Number Theory 2020-06-26, 22:11
Replies: 9
Views: 3,507
Posted By rudy235
I read it. Looks like a significant improvement...

I read it. Looks like a significant improvement at a low cost.

I just wonder if we can have an educated guess of how many pseudoprimes would result in a hypothetical search up to 101000
Forum: Cunningham Tables 2020-06-03, 21:54
Replies: 75
Sticky: 10- table
Views: 29,890
Posted By rudy235
I agree.:smile:

I agree.:smile:
Forum: Lounge 2020-06-01, 07:28
Replies: 1,677
RIP
Views: 138,204
Posted By rudy235
Thanks for posting this! :smile:

Thanks for posting this! :smile:
Forum: Cunningham Tables 2020-06-01, 05:19
Replies: 75
Sticky: 10- table
Views: 29,890
Posted By rudy235
RD Silverman (I was going to say Dr. Silverman...

RD Silverman (I was going to say Dr. Silverman but I do not know if you are or not)

Sarcasm is the lowest form of wit. (And you seem to propel yourself to that low end of the spectrum).
Forum: Riesel Prime Search 2020-06-01, 01:38
Replies: 238
Views: 38,148
Posted By rudy235
NOT YET VERIFIED

The largest Generalized Fermat of the Year. (and also the largest of the form a^219+1 )

Congratulations to Wolfang and his team.

3638450524288 + 1 3439810 L4591 May 31st 2020

Ranked as 35...
Forum: Cunningham Tables 2020-05-31, 18:59
Replies: 75
Sticky: 10- table
Views: 29,890
Posted By rudy235
This is one of the most wanted. 4. 10,323- C271

This is one of the most wanted.
4. 10,323- C271
Forum: Cunningham Tables 2020-05-31, 07:00
Replies: 75
Sticky: 10- table
Views: 29,890
Posted By rudy235
10^337-1 has new prime factor

6523 10, 337- c268 906533749251005245151122204670351312590267105760052002862150546121. c202 Wagstaff ECMNET
Forum: Lounge 2020-05-02, 19:43
Replies: 5
Views: 967
Posted By rudy235
That is a good answer but more in the spirit of...

That is a good answer but more in the spirit of the questioner Tomas Oliveira e Silva fron the University of Aveiro Portugal calculated all primes below 4*1018 in July 2014


The article in...
Showing results 1 to 25 of 973

 
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