Elliptic Wieferich Primes
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JosΓ© Felipe Voloch
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Article
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2000
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Elsevier Science
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English
β 108 KB
Fermat's little theorem states that a p&1 #1(mod p), if p is a prime number and a is an integer coprime with p. The primes for which a p&1 #1(mod p 2 ) are sometimes called base-a Wieferich primes, or simply Wieferich primes if a=2. This stems from a theorem of Wieferich that asserts that the first