Solve this congruence equation
- Phlembac Adib Hasan
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Find all positive integers n such that $2^{n-1} \equiv -1 \pmod{n}$.
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- Phlembac Adib Hasan
- Posts:1016
- Joined:Tue Nov 22, 2011 7:49 pm
- Location:127.0.0.1
- Contact:
Re: Solve this congruence equation
Nobody interested? Well I'm giving a hint.
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- zadid xcalibured
- Posts:217
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Re: Solve this congruence equation
Still not interested. $SIGH$
btw,Happy Birthday.
btw,Happy Birthday.