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Old 2020-06-27, 18:09   #7
paulunderwood
 
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Quote:
Originally Posted by chris2be8 View Post
The paper says that all composite Mersenne numbers (2^p-1 where p is an odd prime) are 2-PSP. But it doesn't say if they are likely to be Lucas-PSP. So would checking Mersenne numbers be a good place to look for BPSW pseudoprimes?

Chris
I would think not. Proving LL is a sort of Lucas test. Also Mersenne have zero density in 2-PSP.

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Last fiddled with by paulunderwood on 2020-06-27 at 18:21
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