Talk:Strong pseudoprime

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[edit] Redundant?

"A strong pseudoprime to base a is always an Euler pseudoprime to base a (Pomerance, Selfridge, Wagstaff 1980), but not all Euler pseudoprimes are strong pseudoprimes. Some Fermat pseudoprimes and Carmichael numbers are also strong pseudoprimes."

"A strong pseudoprime to base a is always an Euler pseudoprime to base a" includes that every strong pseudoprime is a fermat pseudoprime. So "Some Fermat pseudoprimes and Carmichael numbers are also strong pseudoprimes" is redundant and should be: "Some Carmichael numbers are also strong pseudoprimes". --Arbol01 23:40, 9 January 2007 (UTC)