Finding Primes!

\(a\), \(b\), \(c\) and \(d\) are integers such that \(0<a,b,c,d<999\) and \(ab=cd\).

How many ordered sets of integers \((a,b,c,d)\) satisfy

\[a+b+c+d=p\]

where \(p\) is a prime number?

×

Problem Loading...

Note Loading...

Set Loading...