The number which can be written in the form of n (n + 1)

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The number which can be written in the form of n (n + 1) (n + 2), where n is a natural number, is

On putting n = 1
⇒ n(n + 1) (n + 2) = 1(1 + 1) (1 + 2)
∴ n(n + 1) (n + 2) = 1 × 2 × 3 = 6