if N = (11^p+7)(7^q-2)(5^r+1)(3^s) and N ia perfect cube where p,q,r,s are positive integers.
find the smallest value of p+q+r+s .
Is (11^p+7) \(11^p+7 \qquad\text { or is it } \qquad11^{p+7}\qquad ?\)
so ((11^p)+7) or (11^(p+7))
+295 
