Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

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glad to be of help
hi kylekatarn
You can check the following sites. I think they have the proof you want:
yes
so you want a proof that:
(p,a)=1
a∈R?
hi guys 