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Explain why 3 xx 5 xx 7 +7 is a composit...

Explain why `3 xx 5 xx 7 +7` is a composite number.

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We have, `3xx5xx7+7=105+7=112`
Now, `112=2 xx 2 xx 2xx7=2^(4)xx7`
So, it is the product of prime factors 2 and 7 i.e., it has more than two factor Hence, it is composite number=.
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