Could someone explain this theorem from von Staudt?

asked 2019-07-30 08:15:59 -0500

anonymous user

Anonymous

This is an extract from Paulo Ribenboim: 13 lectures on Fermats last theorem on page 105. 'In 1845, von Staudt determined some factors of the numerator N_2k. Let 2k = k1*k2 with gcd(k1,k2)= 1 such that p|k2 if and only if p|D_2k'. Where N_2k and D_2k are the numerators and denominators of Bernoulli number B_2k. So I've actually used the result of this theorem for some other proof, but looking back at it I find it is not true. For example when 2k=74, then we can take k2=37. If we take p=37, we see that 37|k2=37 and so 37 must divide the denominator D_74 but D_74=6. Im not sure what I'm missing here. Maybe, I have misinterpreted the theorem. Could someone clear this up for me.

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Could you explain how your question could be related to Sage? Otherwise, there are other platforms where such theoretical questions are welcome.

jipilab gravatar imagejipilab ( 2019-08-27 04:07:28 -0500 )edit