3599

This number is a composite.

Single Curio View:   (Seek other curios for this number)
Numbers consisting of 35 concatenated with an even number of 9's have factors (6*10^(n/2)-1 and (6*10^(n/2)+1). Thus 359(w) (w any numbers of 9's) can be prime only if w is odd.

Submitted: 2003-12-21 16:43:57;   Last Modified: 2008-01-30 11:28:00.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell