$27 = $ ?

$3$ $3^{3} \times 17$ $3^{3} \times 13$ $3^{3} \times 19$ $3^{3}$

$4200 = $ ?

$2^{3} \times 3 \times 5 \times 7$ $2^{3} \times 3 \times 5^{2} \times 7$ $2^{3} \times 3 \times 5^{2} \times 7^{2}$ $2^{3} \times 3 \times 5^{2} \times 7 \times 19$ $2^{3} \times 3^{2} \times 5^{2} \times 7$

$126 = $ ?

$2 \times 3^{2} \times 7 \times 13$ $2 \times 3^{3} \times 7$ $2 \times 3^{2} \times 7 \times 19$ $2 \times 3^{2} \times 7$ $2 \times 3 \times 7$

$540 = $ ?

$2^{2} \times 3^{3} \times 5$ $2^{2} \times 3^{3} \times 5^{2}$ $2^{2} \times 3^{3} \times 5 \times 7$ $2 \times 3^{3} \times 5$ $2^{3} \times 3^{3} \times 5$

$1215 = $ ?

$3^{5} \times 5 \times 7$ $3^{5} \times 5 \times 19$ $3^{5} \times 5$ $3^{5} \times 5 \times 13$ $3^{5} \times 5 \times 11$