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Is 993 prime or composite

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โˆ™ 2011-10-13 23:24:17

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The number 993 is a composite number because you can divide it by 3. A good strategy for figuring this out on your own is adding up all the digits. If you can divide the sum of the digits by any numbers besides 1 and that number than that number will be a composite number. You can do it, just remember this!

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โˆ™ 2011-10-13 23:24:17
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