Question

explain why
$3 \times 5 \times 7 \times + 7 \times 1$
is composite number. ​

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Answer 1

Heyaa☺

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3 × 5 × 7 + 7 × 1 is a composite number.

Because, it is a positive integer that has at least one divisor other than 1 and itself.

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Hope you understand..✌