Let $a, b, c \in \mathbb{N}$ and $a+b+c=5$. Let $L$ and $M$ be the least and greatest values of $2^a 3^b 5^c$ respectively. Then $M-L=$

  • A
    $2 \cdot 3^2 \cdot 5 \cdot 7$
  • B
    $2^2 \cdot 3 \cdot 5 \cdot 7$
  • C
    $2 \cdot 3^2 \cdot 5^2 \cdot 7^0$
  • D
    $2^0 \cdot 3 \cdot 5^3 \cdot 7^0$

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