20151126, 10:48  #23 
Nov 2015
5^{2} Posts 
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 (11:44) gp > before at number 8 and 9 i have write ,30479 but was wrong 
20151126, 10:56  #24 
Nov 2015
5^{2} Posts 
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 > right now. 
20151126, 11:20  #25 
Nov 2015
5^{2} Posts 
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 = 1 (12:17) gp > 
20151126, 11:41  #26 
Nov 2015
5^{2} Posts 
number 12:
*3*7*8*9*3*8*9*11*12 %219 = 258961483526405092926701654192947200000000 (12:38) gp > isprime(%1) %220 = 1 (12:38) gp > 
20151126, 12:33  #27 
Nov 2015
5^{2} Posts 
but number 13 is wrong

20151126, 12:37  #28 
"Forget I exist"
Jul 2009
Dumbassville
2^{6}·131 Posts 

20151126, 12:43  #29 
Romulan Interpreter
Jun 2011
Thailand
9752_{10} Posts 
Move to misc math...

20151126, 13:10  #30 
Nov 2015
31_{8} Posts 
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) gp > 
20151126, 13:14  #31 
"Forget I exist"
Jul 2009
Dumbassville
2^{6}×131 Posts 
you know you can use the code tags they use the # symbol in the advanced reply setup.

20151126, 13:37  #32 
Nov 2015
31_{8} Posts 
okay so all I see is random number to me so there's really nothing to program from.
no probem , is impossible , i know. 
20151126, 13:38  #33 
Nov 2015
5^{2} Posts 
i know the symbol

Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Endorsement Prime Numbers finding algorithm  marouane  Computer Science & Computational Number Theory  18  20171106 15:41 
A simple idea for factoring numbers  ThiloHarich  Factoring  15  20170306 11:23 
Formublablabla to calculate the sum of two Prime numbers just by knowing the product  Godzilla  Miscellaneous Math  107  20161206 17:48 
Getting a new Prime to calculate  roemer2201  PrimeNet  2  20081220 16:12 
Fastest possible algorithm to calculate the square root of a 10,000,000 digit number  Fusion_power  Math  19  20071102 21:37 