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Forum: And now for something completely different 2020-12-20, 09:14
Replies: 8
Views: 1,231
Posted By sweety439
x^y*y^x+-1 (Generalized HyperCulllen/Woodall) primes

Are there any test limit of y, for x=6 (6^y*y^6+1), x=10 (10^y*y^10+1), and x=13 (13^y*y^13+1)? There are no known primes for x=13, and the only known primes for x=6 and x=10 are 6^1*1^6+1 and...
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