Posted by daniel on Thursday, August 29, 2013 at 9:02pm.
my mommy and daddy cant explain
explain what is wrong with the reasoning number 5 is a composite number because it has the factors 2 and 2.5
i know its a prime number but i cant explain the answer to the question above.

5th grade math help  Ms. Sue, Thursday, August 29, 2013 at 9:06pm
A Prime Number can be divided evenly only by 1, or itself.
And it must be a whole number greater than 1.
http://www.mathsisfun.com/definitions/primenumber.html

Ms Sue  daniel, Thursday, August 29, 2013 at 9:08pm
why is it not a composite number

5th grade math help  Ms. Sue, Thursday, August 29, 2013 at 9:13pm
It's not a composite number because it's a prime number.
Study this site.
http://www.mathsisfun.com/definitions/compositenumber.html
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