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. Explain why 3 x 5 x 7 + 7 is a co...
Question
. Explain why 3 x 5 x 7 + 7 is a composite number.
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We have, ( 3 times 5 times 7+7=(3 times 5+1) times 7 ) ( =(15+1) times 7=16 times 7=112 ) This is a composite number
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