$6 = $ ?

$2 \times 3$ $2 \times 3 \times 11$ $2 \times 3 \times 7$ $2 \times 3 \times 19$ $2 \times 3 \times 17$

$700 = $ ?

$2^{2} \times 5^{2} \times 7^{2}$ $2^{2} \times 5^{2} \times 7 \times 11$ $2^{2} \times 5^{2} \times 7 \times 17$ $2^{2} \times 5^{2} \times 7$ $2^{2} \times 5^{2} \times 7 \times 19$

$104 = $ ?

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

$2100 = $ ?

$2^{2} \times 3 \times 5^{2} \times 7$ $2^{2} \times 3 \times 5^{2} \times 7 \times 19$ $2^{2} \times 3 \times 5^{2} \times 7 \times 13$ $2^{2} \times 3 \times 5^{2} \times 7^{2}$ $2^{2} \times 3^{2} \times 5^{2} \times 7$

$42 = $ ?

$2 \times 3 \times 7$ $2^{2} \times 3 \times 7$ $2 \times 3 \times 5 \times 7$ $2 \times 3 \times 7 \times 17$ $2 \times 3 \times 7 \times 11$