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Groups > comp.lang.python > #60049
| From | Dave Angel <davea@davea.name> |
|---|---|
| Subject | Re: Newbie - Trying to Help a Friend |
| Date | 2013-11-19 22:10 -0500 |
| References | <0e127888-4bfa-4f14-aa55-df8ef53284a3@googlegroups.com> <528bff92$0$29992$c3e8da3$5496439d@news.astraweb.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.2950.1384917038.18130.python-list@python.org> (permalink) |
On 20 Nov 2013 00:17:23 GMT, Steven D'Aprano <steve+comp.lang.python@pearwood.info> wrote: > problem by hand. I'll get you started by solving the problem for 7. > Positive integers less than 23 are 1, 2, 3, 4, 5, 6. So let's start > checking them for divisors: Where did 23 come from? > - 1 is not divisible by 2, 3 or 5, so we count one number. > - 2 is divisible by 2, but not by 3 or 5, so we count two numbers. 2 doesn't count because it's divisible by 2. > - 3 is not divisible by 2, so we count three numbers. 3 doesn't count because it's divisible by 3 > - 4 is divisible by 2, but not 3 or 5, so we count four numbers And so on. > - 5 is not divisible by 2, so we count five numbers. > - 6 is divisible by 2 and 3, but not by 5, so we count six numbers. I count 1, not 6 > And the answer is: 6. -- DaveA
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Newbie - Trying to Help a Friend bradleybooth12345@gmail.com - 2013-11-19 10:40 -0800
Re: Newbie - Trying to Help a Friend maxwell34m@gmail.com - 2013-11-19 11:05 -0800
Re: Newbie - Trying to Help a Friend Neil Cerutti <mr.cerutti@gmail.com> - 2013-11-19 14:07 -0500
Re: Newbie - Trying to Help a Friend Gary Herron <gary.herron@islandtraining.com> - 2013-11-19 11:06 -0800
Re: Newbie - Trying to Help a Friend bradleybooth12345@gmail.com - 2013-11-19 11:27 -0800
Re: Newbie - Trying to Help a Friend Denis McMahon <denismfmcmahon@gmail.com> - 2013-11-19 20:48 +0000
Re: Newbie - Trying to Help a Friend Duncan Booth <duncan.booth@invalid.invalid> - 2013-11-20 11:38 +0000
Re: Newbie - Trying to Help a Friend Denis McMahon <denismfmcmahon@gmail.com> - 2013-11-23 02:03 +0000
Re: Newbie - Trying to Help a Friend Mark Janssen <dreamingforward@gmail.com> - 2013-11-19 14:51 -0800
Re: Newbie - Trying to Help a Friend Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-11-20 00:17 +0000
Re: Newbie - Trying to Help a Friend Dave Angel <davea@davea.name> - 2013-11-19 22:10 -0500
Re: Newbie - Trying to Help a Friend Steven D'Aprano <steve@pearwood.info> - 2013-11-20 03:52 +0000
Re: Newbie - Trying to Help a Friend Dave Angel <davea@davea.name> - 2013-11-20 00:54 -0500
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 09:29 +0000
Re: Newbie - Trying to Help a Friend Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-20 13:57 +0000
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 14:51 +0000
Re: Newbie - Trying to Help a Friend Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-11-20 18:33 -0500
Re: Newbie - Trying to Help a Friend Anssi Saari <as@sci.fi> - 2013-11-21 15:44 +0200
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 14:49 +0000
Re: Newbie - Trying to Help a Friend Chris Angelico <rosuav@gmail.com> - 2013-11-21 02:05 +1100
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 15:06 +0000
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 15:09 +0000
Re: Newbie - Trying to Help a Friend Chris Angelico <rosuav@gmail.com> - 2013-11-21 02:14 +1100
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 15:35 +0000
Multiple postings Alister <alister.ware@ntlworld.com> - 2013-11-20 15:36 +0000
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 15:34 +0000
Re: Newbie - Trying to Help a Friend Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-20 16:29 +0000
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 16:45 +0000
Re: Newbie - Trying to Help a Friend Ned Batchelder <ned@nedbatchelder.com> - 2013-11-20 09:12 -0800
Re: Newbie - Trying to Help a Friend Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-20 17:37 +0000
Re: Newbie - Trying to Help a Friend Ned Batchelder <ned@nedbatchelder.com> - 2013-11-20 09:51 -0800
Re: Newbie - Trying to Help a Friend Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-20 18:09 +0000
Re: Newbie - Trying to Help a Friend Ned Batchelder <ned@nedbatchelder.com> - 2013-11-20 10:18 -0800
Re: Newbie - Trying to Help a Friend Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-20 18:35 +0000
Re: Newbie - Trying to Help a Friend Ned Batchelder <ned@nedbatchelder.com> - 2013-11-20 11:54 -0800
Re: Newbie - Trying to Help a Friend Chris Angelico <rosuav@gmail.com> - 2013-11-21 07:26 +1100
Off-topic: Pop culture references [was Re: Newbie - Trying to Help a Friend] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-11-21 00:27 +0000
Re: Off-topic: Pop culture references [was Re: Newbie - Trying to Help a Friend] MRAB <python@mrabarnett.plus.com> - 2013-11-21 00:48 +0000
Re: Off-topic: Pop culture references [was Re: Newbie - Trying to Help a Friend] Tim Golden <mail@timgolden.me.uk> - 2013-11-21 09:08 +0000
Re: Off-topic: Pop culture references [was Re: Newbie - Trying to Help a Friend] Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2013-11-22 17:10 +1300
Re: Off-topic: Pop culture references [was Re: Newbie - Trying to Help a Friend] Chris Angelico <rosuav@gmail.com> - 2013-11-21 20:46 +1100
Re: Newbie - Trying to Help a Friend Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2013-11-21 12:53 +0100
Re: Newbie - Trying to Help a Friend Chris Angelico <rosuav@gmail.com> - 2013-11-22 02:48 +1100
Re: Newbie - Trying to Help a Friend Neil Cerutti <mr.cerutti@gmail.com> - 2013-11-21 11:29 -0500
Re: Newbie - Trying to Help a Friend Chris Angelico <rosuav@gmail.com> - 2013-11-22 04:10 +1100
Re: Newbie - Trying to Help a Friend bradleybooth12345@gmail.com - 2013-11-21 15:17 -0800
Re: Newbie - Trying to Help a Friend Gary Herron <gary.herron@islandtraining.com> - 2013-11-21 15:35 -0800
Re: Newbie - Trying to Help a Friend bradleybooth12345@gmail.com - 2013-11-21 15:55 -0800
Re: Newbie - Trying to Help a Friend Terry Reedy <tjreedy@udel.edu> - 2013-11-21 19:55 -0500
Re: Newbie - Trying to Help a Friend Gary Herron <gary.herron@islandtraining.com> - 2013-11-21 20:17 -0800
Re: Newbie - Trying to Help a Friend Terry Reedy <tjreedy@udel.edu> - 2013-11-21 19:17 -0500
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 15:34 +0000
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 15:06 +0000
Re: Newbie - Trying to Help a Friend Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-20 15:24 +0000
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 14:50 +0000
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 14:50 +0000
Re: Newbie - Trying to Help a Friend Alister <alister.ware@ntlworld.com> - 2013-11-20 09:29 +0000
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