Thread: k=43112609
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Old 2011-09-20, 21:14   #8
Mini-Geek
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"Tim Sorbera"
Aug 2006
San Antonio, TX USA

17·251 Posts
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I searched 43112609*b^n-1 for b <= 10 and n <= 10000. This is all the primes: (includes duplicates, e.g. 2^16 and 4^8)
Code:
43112609*10^1-1
43112609*2^16-1
43112609*2^56-1
43112609*2^124-1
43112609*2^268-1
43112609*2^272-1
43112609*4^8-1
43112609*4^28-1
43112609*4^62-1
43112609*4^134-1
43112609*4^136-1
43112609*4^658-1
43112609*4^802-1
43112609*4^818-1
43112609*6^3-1
43112609*6^85-1
43112609*6^733-1
43112609*6^831-1
43112609*10^81-1
43112609*10^259-1
43112609*10^927-1
43112609*2^1316-1
43112609*2^1604-1
43112609*2^1636-1
43112609*6^7395-1
43112609*10^3019-1
Edit: no twins here, either -3 or +1.

Last fiddled with by Mini-Geek on 2011-09-20 at 21:38
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