RE: prime numbers question
- From: "Sina Bahram" <sbahram@xxxxxxxxx>
- To: <programmingblind@xxxxxxxxxxxxx>
- Date: Sun, 16 Aug 2009 08:46:47 -0400
Start by defining what a prime number is ... I'm going to assume you know
some of this, but I won't give the full answer here.
Very rough, non-mathematical definition:
A prime number is any number greater than 1, which is evenly divisible by
only itself and 1.
The first few are: 2, 3, 5, 7, 11, 13, 17, 19, 23, and so on.
So if I was a computer, and I'm given a number, I have to figure out if it
is evenly divisible by only itself and one. How would I go about finding
out what a number is evenly divisible by?
Hint:
Evenly divisible is another way of saying that when you divide a number by a
divisor, the remainder is 0. If this was in print, I would have underlined
the word remainder.
Hope this puts you on the right track?
Take care,
Sina
-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Marvin Hunkin
Sent: Sunday, August 16, 2009 8:14 AM
To: programmingblind@xxxxxxxxxxxxx
Subject: prime numbers question
hi.
have to do a assignment in cz++.
where you enter a number.
then it will spit out if it is a prime number or a composite number.
any ideas how i code this.
cheers Marvin.
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