5581
This number is a prime.
Just showing those entries submitted by 'Russo': (Click here to show all)
5581*phi(5581)+1 is prime, where phi is the Euler function. [Russo]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean
This number is a prime.
Just showing those entries submitted by 'Russo': (Click here to show all)
5581*phi(5581)+1 is prime, where phi is the Euler function. [Russo]