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Old 2020-07-14, 04:33   #20
devarajkandadai
 
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May 2004

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Originally Posted by devarajkandadai View Post
Sorry;just proved that 23 is a non-residue of 7919 upto infinite order. This was done with aid of my paper "Euler's generalization of Fermat's theorem ( a further generalization)- Hawaii international conference ,2004.
Verification : pari code -
Is=Mod(17,7919)^7922 = =23
This example is not correct.correct example:
23 is non-residue of 3571 upto infinite order.I leave it to pari experts like Charles to verify.
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