6932 IS THE SMALLEST POSITIVE INTEGER TO GET GREATER THAN 2
What is the least positive integer n that can be placed in the following expression:
n!(n+1)!(2n+1)! - 1
and yields a number ending with thirty digits of 9's.
If x, y, z are 3 non zero positive integers such that x+y+z = 8 and xy+yz+zx = 20, then What would be minimum possible value of x*y^2*z^2
