I really don’t understand... please help a girl out

What is the least common multiple of 16 and 3?

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much