Question

Pls help me out..... ​

Answer 1

$3456 = 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 3 \times 3 \times 3</p><p> \\ \\ \\ here \: only \: 2 \: hasn't \: pair \: of \: 3's\\ \\ \\ \\ so \: \: by \: \: multiplying \: 4 \: to \: 3456 \: we \: can \: get \: a \: perfect \: cube \: number$