explain why 15 X 7 X + 7 is composite number
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because (15×7×7)+7=(105×7)+7=735+7=742
and 742 is a composite number
and 742 is a composite number
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Answer:
Step-by-step
we have (3*5)*7*+7=112
=2*2*2*2*7
=2^4*7
so it is the prime product of the prime factors 2 and 7
therefor it is composite number
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