D. L. Kreher

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Questions related from D. L. Kreher

Is there elementary proof that there are infinitely many primes p satisfying: P ≡ 1 (mod 48), 2^(p-1)/4 ≡ −1 (mod p), 6^(p-1)/4 ≡ 1 (mod p)?

P ≡ 1 (mod 48), 2^(p-1)/4 ≡ −1 (mod p), and 6^(p-1)/4 ≡ 1 (mod p).

12 December 2013 3,660 1 View

When did n! become popular for "n factorial"? How was it made popular?

In the 1894 text "Higher Algebra : A sequel to Elementary Algebra for schools" by H.S. Hall and S.R Knight (fourth edition. London: Macmillan and Co. and New York.) They write concerning the...

10 October 2012 4,565 5 View