Posted by **scooby91320002** on Wednesday, July 15, 2009 at 7:55pm.

Which of the given numbers are composite?

0, 1, 15, 19, 23, 31, 49, 55, 59, 87, 91, 97, 103, 105

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**DrBob222**, Wednesday, July 15, 2009 at 8:27pm
Scooby, what is a composite number?

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**scooby91320002**, Wednesday, July 15, 2009 at 8:34pm
i am not sure

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**DrBob222**, Wednesday, July 15, 2009 at 8:42pm
If you don't know what a composite number is, how can you possible identify one when you see it? See this site.

http://en.wikipedia.org/wiki/Composite_number

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