12340...04321 (129-digits)
This number is a prime.
123400000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000004321
A palindromic prime of the form 1234*10^(k + 4) + 4321. [Fleming]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean