How do we solve these kind of questions

Which of the following sums results in a number that is NOT prime?

Select all that apply.
30!+10
30!+29
30!+63

It’s in the syllabus, specifically this one: Adding Numbers to Multiples. If you don’t have prepswift, I think you might be able to find them in the quant mountain or in one of gregmat’s videos on arithmetic.