I found link

www.akeruepublicationsllc.com

below in Amazon.com regarding the book

Fermat's Last Theorem for Amateurs

by Paulo Ribenboim "This chapter is devoted to the proof of special cases of

Fermat's theorem: exponents 4, 3, 5, and 7..." (more)

SIPs: nonzero pairwise, divides xyz, trinomial equations, primitive factor,

primitive root modulo (more)

Is this April's Fools?

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17th-century proof

Restoration of Fermat's lost letter divulging proof to his Last Theorem

www.akeruepublicationsllc.com

Hmmm,

CLH

Cino