Question

explain why 3×5×7+7 are composute number​

Answer 1

3×5×7+7

=105+7

=112

112 is a composite number

so, that, 3×5×7+7 is a composite number

hope it helps

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Answer 2

★Question ↴

explain why 3×5×7+7 are composute number

★ ⦋Answer⦌ ↴

$\large{3×5×7+7=105+7=112. }$

112 is an even number

and is therefore a composite number.

→Also, 112 is divisible by other numbers such as 2,4,7,8,14,16,28 and 56 apart from itself 112 and 1

$\\ \\ \fbox{ \ large{Hence 3×5×7+7 is a composite number}}$