ITMC 2018 Grade 7 National Preliminary set01 Question 23

The factorial $n!$ of a nonnegative integer is the product of all positive integers at most $n$, with $0!=1$. For example $1!=1,2!=2,3!=6,4!=24$. How many primes occur in $10!+2,10!+3,\ldots,10!+9$?