1571
This number is a prime.
Just showing those entries submitted by 'Luhn': (Click here to show all)
1571 is the only known prime of form (p!/p# + 1)/p. [Luhn]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
Just showing those entries submitted by 'Luhn': (Click here to show all)
1571 is the only known prime of form (p!/p# + 1)/p. [Luhn]