Forum: Miscellaneous Math
2015-12-31, 21:05
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Replies: 13
Views: 1,248
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Forum: Miscellaneous Math
2015-12-31, 11:26
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Replies: 13
Views: 1,248
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Forum: Miscellaneous Math
2015-12-31, 09:10
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Replies: 13
Views: 1,248
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Forum: Miscellaneous Math
2015-12-31, 08:49
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Replies: 13
Views: 1,248
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Forum: Miscellaneous Math
2015-12-31, 07:20
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Replies: 13
Views: 1,248
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...
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Forum: Miscellaneous Math
2015-11-29, 22:59
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Replies: 38
Views: 2,251
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
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Forum: Miscellaneous Math
2015-11-29, 21:52
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-28, 07:46
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-26, 13:38
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-26, 13:37
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-26, 13:10
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-26, 12:33
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-26, 11:41
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-26, 11:20
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Replies: 38
Views: 2,251
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 =...
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Forum: Miscellaneous Math
2015-11-26, 10:56
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Replies: 38
Views: 2,251
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 >
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Forum: Miscellaneous Math
2015-11-26, 10:48
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Replies: 38
Views: 2,251
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
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Forum: Miscellaneous Math
2015-11-25, 20:57
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-25, 20:23
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-25, 20:01
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-25, 19:46
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Replies: 38
Views: 2,251
(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 ,...
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Forum: Miscellaneous Math
2015-11-25, 19:22
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-24, 18:14
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-24, 17:58
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Replies: 38
Views: 2,251
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...
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Forum: Miscellaneous Math
2015-11-24, 16:39
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Replies: 38
Views: 2,251
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Forum: Miscellaneous Math
2015-11-24, 14:15
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Replies: 38
Views: 2,251
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