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Old 2015-11-26, 11:20   #25
Ale
 

17AA16 Posts
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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 >
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