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Post by Obe on Jul 24, 2005 20:55:52 GMT
2
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Post by albybach on Jul 25, 2005 10:10:40 GMT
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Post by Whitbywoof on Jul 25, 2005 10:12:30 GMT
Either way, the next is 3.
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Post by Obe on Jul 25, 2005 10:45:06 GMT
5
P.S. An interesting query from Alby. I checked out some maths site that explained why the number 1 is no longer considered to be a prime number, but my 35 year old O level maths knowledge isn’t really up to it.
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Post by Whitbywoof on Jul 25, 2005 10:50:28 GMT
7
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Post by Obe on Jul 25, 2005 10:54:41 GMT
11
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Post by Whitbywoof on Jul 25, 2005 10:57:44 GMT
5 P.S. An interesting query from Alby. I checked out some maths site that explained why the number 1 is no longer considered to be a prime number, but my 35 year old O level maths knowledge isn’t really up to it. I have a vague memory of it having another name... but memory is so vague, I can't remember what. What's happened to 9? 13 is my next offering.
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Post by Obe on Jul 25, 2005 11:00:17 GMT
5 P.S. An interesting query from Alby. I checked out some maths site that explained why the number 1 is no longer considered to be a prime number, but my 35 year old O level maths knowledge isn’t really up to it. I have a vague memory of it having another name... but memory is so vague, I can't remember what. What's happened to 9? 13 is my next offering. 9 is divisible by 3 and therefore not prime. Next one is 17
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Post by Ophelia Bottom on Jul 25, 2005 11:04:50 GMT
I have a vague memory of it having another name... but memory is so vague, I can't remember what. What's happened to 9? 13 is my next offering. 9 is divisible by 3 and therefore not prime. Next one is 17 19
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Post by Obe on Jul 25, 2005 11:05:52 GMT
23 - gonna start getting tough soon. No cheating now!
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Post by Ophelia Bottom on Jul 25, 2005 11:10:33 GMT
23 - gonna start getting tough soon. No cheating now! I'll go for broke: 29,31,37. Will that keep you going for a while? I've got a good maths investigation based on prime numbers.
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Post by Obe on Jul 25, 2005 11:16:38 GMT
23 - gonna start getting tough soon. No cheating now! I'll go for broke: 29,31,37. Will that keep you going for a while? I've got a good maths investigation based on prime numbers. Hey - one at a time please. I can't keep up. 41
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Post by Ophelia Bottom on Jul 25, 2005 11:18:54 GMT
I'll go for broke: 29,31,37. Will that keep you going for a while? I've got a good maths investigation based on prime numbers. Hey - one at a time please. I can't keep up. 41 43 69 isn't one
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Post by Redders on Jul 25, 2005 11:21:05 GMT
69 isn't one It's prime something tho', but can't remember what
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Post by Whitbywoof on Jul 25, 2005 11:30:12 GMT
I have a vague memory of it having another name... but memory is so vague, I can't remember what. What's happened to 9? 13 is my next offering. 9 is divisible by 3 and therefore not prime. Next one is 17 Whoops, sorry - that's what comes of multi-tasking during intellectual games, I'm not really that thick.
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Post by Redders on Jul 25, 2005 11:35:00 GMT
n....n...n...n n n n n n..nineteen19
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Post by Beau Leggs on Jul 25, 2005 12:23:56 GMT
47
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Post by Obe on Jul 25, 2005 12:28:03 GMT
69 isn't one It may not be one, but it takes two. 53
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Post by Beau Leggs on Jul 25, 2005 12:45:29 GMT
59
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Post by albybach on Jul 25, 2005 13:39:04 GMT
er..... 0?
and just to get ewe to the end quicker....... 2 25,964,951 -1
Failing that 61
[/i][/b]
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