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paulunderwood · 2020-11-19, 15:40

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

2020-11-19, 15:40	#16
paulunderwood Sep 2002 Database er0rr 3594₁₀ Posts	For a=5: [17310451593311, 5] gcd(p-1,q-1) = 10174079 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