Prove that p^2-1 is divisible by 8. Divisible by 24? (p is a prime) Is this true for all primes?
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p^2-1 is divisible by 8 and 24 for all primes.
To prove p^2-1 is divisible by 8, consider the possible remainders of p when divided by 8.
To prove p^2-1 is divisible by 24, consider the possible remaind...read more
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