1365
This number is a composite.
Just showing those entries submitted by 'Roldan': (Click here to show all)
The smallest number that has four distinct prime factors whose arithmetic mean is also a prime number: 1365 = 3*5*7*13 and (3+5+7+13)/4 = 7. [Roldan]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell