PRP Records

norm((1+1/Mod(-x+2,x^3-7))^9521-1)



The integer has been written as a PARI/GP expression.
If u is the fundamental unit of the pure cubic field Q(t), where t^3 = 7, then this number is the norm of the Mersenne-like integer
(1+1/u)^9521 - 1

According to PFGW, is Fermat and Lucas PRP


To be completed...




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