Proof That All Odd Numbers Are Prime
Problem:
Prove that all odd positive integers are prime numbers.
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Proof by a physicist:
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3 true, 5 true, 7 true, 9... measure error, 11 true, 13 true,
random test 23, done.
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Proof by a mathematician:
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3 true, 5 true, 7 true, induction on 2n+1, done.
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Proof by a computer scientist:
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3 true, 5 true, 7 true, 7 true, 7 true, 7 true, 7 true, 7 true, ...
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Proof by a sociologist:
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2 true, 4 true, 6 true, 8 true, ...
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Proof by an engineer:
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"3 is prime... 5 is prime... 7 is prime... 9 is prime... 11 is prime... ..."
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Proof by a chemist:
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"3 is prime, 5 is prime, 7 is prime; well, I guess
that's enough data!"
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Proof by a biologist:
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"What's a prime?"
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Proof by a programmer:
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"Wait a minute, I think I have an algorithm from
Knuth on finding prime numbers... just a little bit longer, I've found the
last bug... no, that's not it... ya know, I think there may be a compiler
bug here - oh, did you want IEEE-998.0334 rounding or not? - was that in
the spec? - hold on, I've almost got it - I was up all night working on
this program, ya know... now if management would just get me that new
workstation tha just came out, I'd be done by now... etc., etc. ..."
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Windows programmer:
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"1 is prime. Wait."
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Mac programmer:
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Now why would anyone want to know about that? That's
not user friendly. You don't worry about it, we'll take care of it for
you.
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Bill Gates:
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1. No one will ever need any more then 1.
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TRS-80 Computer Programmer:
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One is prime, Two is prime, Three is prime,
Out of Memory
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Computer Scientist with a Pentium:
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3 is prime, 5 is prime, 6.9999978 is
prime...
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Confused Undergraduate:
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Yes, it's true. Proof: Let p be any prime
number larger than 2. Then p is not divisible by 2, so p is odd. QED
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Philosopher:
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3 is prime. Hum, that's an interesting statement, I'll get
one of my research students to look into that.
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Theologian:
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No after all before God all numbers even, odd and prime are
created equal.
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Proof by a psychiatrist:
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"3 is prime... 5 is prime... 7 is prime... 9 is
latently prime but repressing it... 11 is prime... ..."
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Psychologists:
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Do they want to be?
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Proof by a social scientist:
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"3 is prime... 5 is prime... 7 is prime...
we'll pretend 9 is prime... 11 is prime... ..."
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Multiculturalist:
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Pfui! There you go, classifying numbers into
categories.
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Lawyer:
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3 is prime, yet 5 could be anything, taking into account, but not
limited to, the fact that 4 may or may not be prime, depending on the
witnesses' testimonies and the written evidence furnished.
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Accountant:
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3 is prime, 5 is prime, 7 is prime, 9 is prime, deducting 10%
tax and 5% other obligations.
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Corrupt Politician:
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For a sufficent donation, 9 can be reclassified
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Manager:
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3 yes, 5 yes, 7 YES, 9 Now let's take a positive attitude here