mersenneforum.org  

Go Back   mersenneforum.org > Search Forums

Showing results 1 to 25 of 25
Search took 0.01 seconds.
Search: Posts Made By: Ale
Forum: Miscellaneous Math 2015-12-31, 21:05
Replies: 13
Views: 857
Posted By Ale
Sorry , yes

Sorry , yes
Forum: Miscellaneous Math 2015-12-31, 11:26
Replies: 13
Views: 857
Posted By Ale
(sqrt ({0.2*10}))^2 = 2

(sqrt ({0.2*10}))^2 = 2
Forum: Miscellaneous Math 2015-12-31, 09:10
Replies: 13
Views: 857
Posted By Ale
thank you very much

thank you very much
Forum: Miscellaneous Math 2015-12-31, 08:49
Replies: 13
Views: 857
Posted By Ale
Google calculator is 0,2 0.2 = 2/10 of...

Google calculator is 0,2

0.2 = 2/10 of units?
2 = two units ?

but is Always two
Forum: Miscellaneous Math 2015-12-31, 07:20
Replies: 13
Views: 857
Posted By Ale
Red face x^2 = 2 , is it true?

italian Language :

Secondo me esiste un numero razionale tale che x^2 = 2 ed è la radice quadrata di 0,2 che è 0,4472135955 , mi spiego meglio 2 e 0,2 rappresentano entrambi due unità ,
quindi...
Forum: Miscellaneous Math 2015-11-29, 22:59
Replies: 38
Views: 1,717
Posted By Ale
or this is idiot? 0,3...

or this is idiot?



0,3 --------->3--------->0,30
0,5---------->5--------->0,50
0,7---------->7--------->0,70

0---------0,1--------0,10---------1---------10
Forum: Miscellaneous Math 2015-11-29, 21:52
Replies: 38
Views: 1,717
Posted By Ale
This is idiot?? 0,4545 / 0,5 = 0,909 ...

This is idiot??

0,4545 / 0,5 = 0,909 -------->0000000000........continue

4545 / 0,5 = 9090 ---------> no zero
Forum: Miscellaneous Math 2015-11-28, 07:46
Replies: 38
Views: 1,717
Posted By Ale
Riemann: this is possible: 143 /...

Riemann:


this is possible:

143 / 0.5 / 0.5 = 572

143 - 1 / 0.5 / 0.5 = 139
Forum: Miscellaneous Math 2015-11-26, 13:38
Replies: 38
Views: 1,717
Posted By Ale
i know the symbol

i know the symbol
Forum: Miscellaneous Math 2015-11-26, 13:37
Replies: 38
Views: 1,717
Posted By Ale
okay so all I see is random number to me so...

okay so all I see is random number to me so there's really nothing to program from.


no probem , is impossible , i know.
Forum: Miscellaneous Math 2015-11-26, 13:10
Replies: 38
Views: 1,717
Posted By Ale
But if now *3* get *5* , the number 13 is right ...

But if now *3* get *5* , the number 13 is right

<*7*8*9*3*8*9*11*12*5*2*4*5*6*7*5*11*12*13
%373 = 18663872040715067857413241620994090598400000000000
(14:05) gp > isprime(%-1)
%374 = 1
(14:05)...
Forum: Miscellaneous Math 2015-11-26, 12:33
Replies: 38
Views: 1,717
Posted By Ale
but number 13 is wrong

but number 13 is wrong
Forum: Miscellaneous Math 2015-11-26, 11:41
Replies: 38
Views: 1,717
Posted By Ale
number 12: *3*7*8*9*3*8*9*11*12 %219...

number 12:


*3*7*8*9*3*8*9*11*12
%219 = 258961483526405092926701654192947200000000
(12:38) gp > isprime(%-1)
%220 = 1
(12:38) gp >
Forum: Miscellaneous Math 2015-11-26, 11:20
Replies: 38
Views: 1,717
Posted By Ale
numer 10 not direct number 11 ...

numer 10 not

direct number 11

(12:16) gp > 30474925270400000*3*2*4*5*3*6*7*8*3*2*4*5*6*3*7*8*9*3*5*6*7*3*8*9*11
%187 = 6006973289776185691393228800000000
(12:16) gp > isprime(%-1)
%188 =...
Forum: Miscellaneous Math 2015-11-26, 10:56
Replies: 38
Views: 1,717
Posted By Ale
this is correct this is number 9: ...

this is correct

this is number 9:

(11:53) gp > 30474925270400000*3*2*4*5*3*6*7*8*3*2*4*5*6*3*7*8*9
%156 = 4012995891304704245760000000
(11:54) gp > isprime(%-1)
%157 = 1
(11:54) gp >
Forum: Miscellaneous Math 2015-11-26, 10:48
Replies: 38
Views: 1,717
Posted By Ale
this is correct number 8 : ...

this is correct

number 8 :



(11:44) gp > 30474925270400000*3*2*4*5*3*6*7*8
%148 = 3686246960707584000000
(11:44) gp > isprime(%-1)
%149 = 1
Forum: Miscellaneous Math 2015-11-25, 20:57
Replies: 38
Views: 1,717
Posted By Ale
only hobby

only hobby
Forum: Miscellaneous Math 2015-11-25, 20:23
Replies: 38
Views: 1,717
Posted By Ale
the number * 3 *, is always after a series chain...

the number * 3 *, is always after a series chain of numbers, example 2 * 4 * 5, but at 8 is not yet chain of numbers, see 2 * 4 * 5 * 7 * 8, there isn't 6.
I thought, example 2 * 4 * 5 repeated...
Forum: Miscellaneous Math 2015-11-25, 20:01
Replies: 38
Views: 1,717
Posted By Ale
chain of numbers, but I think it is impossible now

chain of numbers, but I think it is impossible now
Forum: Miscellaneous Math 2015-11-25, 19:46
Replies: 38
Views: 1,717
Posted By Ale
(20:40) gp >...

(20:40) gp > 304795270400000*3*4*5*6*3*2*4*5*7*8*3*5*7*8*3*7*8*9
%67 = 936507100910085734400000000
(20:41) gp > isprime(%-1)
%68 = 1
(20:42) gp >

and this is the number 9 , but is different ,...
Forum: Miscellaneous Math 2015-11-25, 19:22
Replies: 38
Views: 1,717
Posted By Ale
(20:15) gp > 304795270400000*3*4*5*6*3*2*4*5*7*8 ...

(20:15) gp > 304795270400000*3*4*5*6*3*2*4*5*7*8
%37 = 737360718151680000000
(20:16) gp > isprime(%-1)
%38 = 1
(20:17) gp >


thank you for the program PARI.
Now i can test , this is number 8...
Forum: Miscellaneous Math 2015-11-24, 18:14
Replies: 38
Views: 1,717
Posted By Ale
or this 3047495270400000 x 3 x 4 x 5 x 6 x...

or this

3047495270400000 x 3 x 4 x 5 x 6 x 3 x 5 x 6 x 7 x 8 = n - 1 = prime number
Forum: Miscellaneous Math 2015-11-24, 17:58
Replies: 38
Views: 1,717
Posted By Ale
this is 7 3 x 3 x 2 x 4 x 3 x 2 x 3 x 4 x 5...

this is 7

3 x 3 x 2 x 4 x 3 x 2 x 3 x 4 x 5 x 3 x 2 x 4 x 3 x 4 x 5 x 6 x 3 x 4 x 5 x 3 x 4 x 5 x 6 x 3 x 5 x 6 x 7 = 3047495270400000 -1 = 3047495270399999

now 8 is:


3 x 3 x 2 x 4 x 3 x...
Forum: Miscellaneous Math 2015-11-24, 16:39
Replies: 38
Views: 1,717
Posted By Ale
I'm italian and not speak very well english, but...

I'm italian and not speak very well english, but because I can not test them are too large after 7, they have 23 decimals, for example 8
Forum: Miscellaneous Math 2015-11-24, 14:15
Replies: 38
Views: 1,717
Posted By Ale
Question This simple algorithm incomplete can only calculate prime numbers?

Ciao,


3 x 3 x 2 x 4 = 72 -1 = 71 (is a prime number)

now 5:

3 x 3 x 2 x 4 x 3 x 2 x 3 x 4 x 5 = 25920 -1 = 25919 (is a prime number)

.
Showing results 1 to 25 of 25

 
All times are UTC. The time now is 04:29.

Wed Dec 2 04:29:37 UTC 2020 up 83 days, 1:40, 1 user, load averages: 2.54, 2.48, 2.38

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.