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TopNewestThis is obvious, since the product of two integers greater than \(1\) is composite.

So the number \(2012 \times 2013^{4}\) is obviously composite. – Zi Song Yeoh · 4 years, 5 months ago

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any product of two numbers is composite. – Tan Li Xuan · 4 years, 5 months ago

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– Zi Song Yeoh · 4 years, 5 months ago

Not quite correct, since \(7 = 7 \times 1\) is prime, should be the product of two integers \(\geq 1\)Log in to reply

– Tan Li Xuan · 4 years, 5 months ago

Thanks,I missed that part :DLog in to reply