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16. Explain why 7x6x5x4 x 3 x 2 x 1 /5 is a composite number?
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Step-by-step explanation:
Similarly in
7×6×5×4×3 ×2×1+5
=5(7×6×4×3 ×2×1+1)=5×1009
This number is multiple of two integers.Hence it has more than two factors.Hence it is a composite number.
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