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Forum: Riesel Prime Search 2021-10-19, 01:14
Replies: 283
Views: 49,498
Posted By rudy235
After 20 days (10/17/21) it was proven prime.

After 20 days (10/17/21) it was proven prime.
Forum: Riesel Prime Search 2021-10-16, 17:50
Replies: 283
Views: 49,498
Posted By rudy235
How difficult is to prove a primorial Prime? ...

How difficult is to prove a primorial Prime?


3267113# - 1 (https://primes.utm.edu/primes/page.php?id=132758)

Verification status (*): InProcess

Is still unproven. I would think that...
Forum: Riesel Prime Search 2021-10-15, 15:41
Replies: 1,973
Views: 223,586
Posted By rudy235
.....................HERE IS THE OFFICIAL...

.....................HERE IS THE OFFICIAL ANNOUNCEMENT

PrimeGrid’s
321 Prime Search


On 6 September 2021, 07:16:28 UTC, PrimeGrid’s 321 Prime Search found another Mega Prime:

3*217748034-1
Forum: Lounge 2021-09-28, 01:03
Replies: 1
Views: 206
Posted By rudy235
A character in the new Apple+ TV series...

A character in the new Apple+ TV series Foundation a young character named Gaal Dornick recites primes to regain composure and achieve inner peace..

She goes like this. 819,250,973 ... 819,250,997...
Forum: Riesel Prime Search 2021-09-28, 00:25
Replies: 283
Views: 49,498
Posted By rudy235
Yes, in the last few days we have had two new...

Yes, in the last few days we have had two new categories of primes entering the megaprime territory. A Palindromic (https://en.wikipedia.org/wiki/Palindromic_prime) with 1,234,567 digits and this...
Forum: Riesel Prime Search 2021-09-25, 01:14
Replies: 283
Views: 49,498
Posted By rudy235
This is an incredible result! ...

This is an incredible result! https://primes.utm.edu/primes/page.php?id=132738



But now we have two different record arithmetic progression of 3 elements of 884,748 and 807,954 digits. the...
Forum: Riesel Prime Search 2021-09-15, 18:17
Replies: 283
Views: 49,498
Posted By rudy235
Wow! A megaprime palindrome. And one with more...

Wow! A megaprime palindrome. And one with more than twice the digits than the previous one!

I have to see it to believe it!:philmoore:
Forum: Riesel Prime Search 2021-09-11, 16:50
Replies: 283
Views: 49,498
Posted By rudy235
Of course all repunits are “palindromes” per se,...

Of course all repunits are “palindromes” per se, but in practical terms when a prime is a Mersenne, a Generalized Mersenne ( to other bases ), repunits, generalized repunits, they are not counted as...
Forum: Riesel Prime Search 2021-09-08, 04:27
Replies: 1,973
Views: 223,586
Posted By rudy235
Both forms of numbers exist, The 3*2k - 1 are...

Both forms of numbers exist,
The 3*2k - 1 are called Thabit primes and there are 64 of them known. https://oeis.org/A002235/b002235.txt

Those of the Form 3*2k + 1 are called Thabit of the...
Forum: Riesel Prime Search 2021-09-07, 18:27
Replies: 1,973
Views: 223,586
Posted By rudy235
The largest prime for 2021 and 2nd largest since...

The largest prime for 2021 and 2nd largest since Christmas 2018 has been discovered.

It is a 3 2 1 Prime i.e. 3*2k-1 The prime is 3*217748034 -1 and has 5342692 digits.

This is the largest...
Forum: Data 2021-08-28, 19:13
Replies: 3,469
Views: 306,910
Posted By rudy235
Correction: at 1 million 1,000,000

Correction: at 1 million 1,000,000
Forum: Data 2021-08-28, 17:15
Replies: 3,469
Views: 306,910
Posted By rudy235
The full list of all Magaprimes (presently 1100)...

The full list of all Magaprimes (presently 1100) can be found at this link https://primes.utm.edu/primes/search.php The minimum number of digits needs to be set at 1000000 and number of results...
Forum: Data 2021-08-28, 04:45
Replies: 3,469
Views: 306,910
Posted By rudy235
1100 Megaprimes

A new milestone of sorts was reached today. There are now 1100 megaprimes.

About half (50%) of those are either of the form k*22+1 or k*22-1
About (30%) 328 are Generalized Fermats
25 divide...
Forum: Prime Gap Searches 2021-08-24, 17:06
Replies: 63
Views: 7,351
Posted By rudy235
I was wondering exactly the same thing. On the...

I was wondering exactly the same thing. On the other hand, a number of the order of 10^19 can be proven prime easily by trial division or sieving.

Keeking track of the Numbers that STILL have...
Forum: Prime Gap Searches 2021-08-23, 19:14
Replies: 63
Views: 7,351
Posted By rudy235
ATH This is the status of the exhaustive...

ATH


This is the status of the exhaustive search. (Unless someone else has covered the numbers after 264+1.03 x1016)

To check in a reliable way that no gap greater or equal to 1432 exists...
Forum: Prime Gap Searches 2021-08-07, 08:19
Replies: 13
Views: 1,921
Posted By rudy235
Probably not.:smile:

Probably not.:smile:
Forum: Prime Gap Searches 2021-07-27, 21:06
Replies: 63
Views: 7,351
Posted By rudy235
i looked for it at the prime gap tables and it...

i looked for it at the prime gap tables and it was not there. Did you report it?
Forum: Prime Gap Searches 2021-07-15, 12:07
Replies: 63
Views: 7,351
Posted By rudy235
This is so exciting. We now have a "probable...

This is so exciting. We now have a "probable maximum gap" with the highest merit of all gaps that have a good chance of being maximal. There are gaps with much higher merits but almost no chance of...
Forum: Dobri 2021-07-15, 03:17
Replies: 49
Views: 2,559
Posted By rudy235
Base 10 is an eminent human construct. The only...

Base 10 is an eminent human construct. The only thing interesting about the number TEN (beyond us having ten fingers and 10 toes) is that 10 is both a triangular number and a tetrahedral number.
...
Forum: enzocreti 2021-07-11, 17:32
Replies: 12
Views: 8,897
Posted By rudy235
I never quite understand what you are trying to...

I never quite understand what you are trying to say. Can you explain to the unwashed masses the function pg? What is it? Paying guest? Picogram?
Forum: Lounge 2021-06-30, 20:51
Replies: 1,787
RIP
Views: 184,039
Posted By rudy235
Famous, or better said infamous for his cavalier...

Famous, or better said infamous for his cavalier reply to a soldier who confronted him about the lack of protection against IED's of the transport vehicles in the Iraq theater.

"You go to war with...
Forum: Prime Gap Searches 2021-06-27, 16:31
Replies: 63
Views: 7,351
Posted By rudy235
It used to be that new first occurrences and/or...

It used to be that new first occurrences and/or new maximal gaps were reported to Dr. Nicely. Unfortunately as we all know he passed away on October 2019.

This is the first time I am aware a new...
Forum: Prime Gap Searches 2021-06-20, 19:56
Replies: 63
Views: 7,351
Posted By rudy235
Arrow Even if does not become the new maximal gap. (I...

Even if does not become the new maximal gap. (I would say it has a better than even chance of being that) it will almost certainly become the first occurrence of a gap of 1552. So you won’t go...
Forum: Prime Gap Searches 2021-05-30, 19:52
Replies: 18
Views: 2,645
Posted By rudy235
Bobby: There is very little correlation between...

Bobby: There is very little correlation between small numbers in the Physical world and "small numbers" when it comes to searching for primes.

PRIMO has the capability of proving primes in the...
Forum: Lounge 2021-05-18, 13:44
Replies: 1,787
RIP
Views: 184,039
Posted By rudy235
Darwin's Arch, Galapagos Islands.RIP (Literally)...

Darwin's Arch, Galapagos Islands.RIP (Literally) May 17th 2021

Before and After
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