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Old 2020-11-19, 15:40   #16
paulunderwood
 
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Sep 2002
Database er0rr

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For a=5:

[17310451593311, 5]

gcd(p-1,q-1) = 10*17*4079

a=6 seems to be special case.

I will continue to a=10 and if no other counterexamples turn up, concentrate on a=7

Last fiddled with by paulunderwood on 2020-11-19 at 15:42
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