Migration complete - please let us know if anything isn't working.
This number is a prime.
45047*2^61819+1 is prime. Note that 45047=107*421 is a brilliant number and 61819 is a strobogrammatic prime. Also, if you sum the squared digits of 45047*2^61819+1 you get the prime 527851. [Earls]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell