Question

°3) Explain why 7x 11 x 13 + 13 is a composite
Numben.​

Answer 1

Answer:

Given, 7×11×13+13

=13×(7×11+1)=3×78 (taking common term 13 outside)

This number is multiple of two integers.Hence it has more than two factors.Hence it is a composite number.

Answer 2

Answer:

hey chum! here's your answer

$7 \times 11 \times 13 + 13 \\ 77 \times 13 + 1 3 \\ 77 \times 26 \\ 2002$

$as \: 2002 \: is \: not \: a \: prime \: number \: so \: that \: means \: it \: is \: a \: prime \: number$

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