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6Â¥: Originally posted by hank612 at 2014-10-31 11:01:03
http://www.emis.de/journals/AMI/2007/ami2007-belbachir.pdf
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Theorem£¨Shorey-Tijdeman, 1990): Éè×ÔÈ»Êýa, d, k, ÆäÖÐ(a, ...

ÇëÎÊÄÜ·¢Ò»ÏÂShorey-Tijdeman¶¨ÀíµÄÖ¤Ã÷Á´½ÓÂð£¿ÎÒÔÚÍøÉÏÕÒ²»µ½Ö¤Ã÷Õâ¸ö¶¨ÀíµÄÂÛÎÄT.N.Shorey and R.Tijdeman,On the greatest prime factor of an arithmetical progession,to appear.
8Â¥2017-04-12 17:46:22
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napoleon_999: ½ð±Ò+10, ¡ïÓаïÖú 2014-10-23 18:29:48
napoleon_999: ½ð±Ò+10 2015-03-09 17:02:52
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2Â¥2014-10-23 09:07:01
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napoleon_999

ľ³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by Edstrayer at 2014-10-23 09:07:01
Éè
S(k,m)=\frac{1}{2k+1}+\frac{1}{2k+3}+\cdots+\frac{1}{2k+2m+1}
½«2k+1,2k+3,\cdots,2k+2m+1¾ù·Ö½â³É±ê×¼·Ö½âʽ:
a(k,i)=2k+2i-1=\prod\limits_{j=1}^rp_j^{s_j^i}(i=1,2,\cdots,m+1)
͉˕p_1<p_2<\ ...

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3Â¥2014-10-23 11:22:44
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hank612

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ÒýÓûØÌû:
3Â¥: Originally posted by napoleon_999 at 2014-10-23 11:22:44
¿ÉÊÇÔõô±£Ö¤Ö»ÓÐÒ»¸öi0ÄÜʹPjµÄÃݴδﵽtÄØ£¬ÎÒ¾õµÃÕâËÆºõ²»Äܱ£Ö¤¡£
...

Use some big theorem to get there.
http://www.emis.de/journals/AMI/2007/ami2007-belbachir.pdf

Nagell's theorem, Kurschak's theorem, and Belbachir-Khelladi theorem based on the result of Shorey-Tijdeman.
We_must_know. We_will_know.
4Â¥2014-10-23 11:28:29
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