Practice problem
For which integers n>1n > 1n>1 is (n−1)!(n-1)!(n−1)! divisible by nnn?
All of them
None of them
Whenever nnn is composite (not prime)
Whenever nnn is composite and greater than 444
Whenever nnn is even
Whenever nnn is an even number greater than 444
Type a concept, like “slope” or “photosynthesis”.