PRP Records

norm((1+Mod(12*x^2-30*x+1,x^3-15))^8747-1)


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 = 15, then this number is the norm of the Mersenne-like integer
(1+u)^8747 - 1

According to PFGW, is Fermat and Lucas PRP


To be completed...



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