29587
This number is a prime.
Just showing those entries submitted by 'Henriksen': (Click here to show all)
Append or prepend any of the digits 1, 3, 7, or 9, and 29587
will remain prime. This is the smallest prime with this
property. [Henriksen]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean