Explain why 7- 6- 5- 4- 3 - 2 - 1-7 is a composite number-

7×>6×>5×>4×>3×>2×>1+7 =>7(720+1)=7×721> >Now>composite>numbers>are>numbers>which>has>at>least&gt ...

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Question

Explain why $7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 + 7$ is a composite number?

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7 \times 11 \times 13 + 13

7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 + 5

Explain why 7*11*13+13 and 7×6×5×4×3+5 are composite numbers.

Explain why $7 \times 11 \times 13 + 13$ & $7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 + 5$ are composite numbers ?

7 \times 11 \times 13 + 13

7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 + 5

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