This number is a prime.

                                                           139109 8979592919

Single Curio View:   (Seek other curios for this number)
The larger of only two primes less than a googol, each formed by concatenating in reverse order the first n primes p ending with 9, p < 1000, (n=7). The smaller one is 592919, for n=3. [Loungrides]

Submitted: 2015-12-17 16:32:23;   Last Modified: 2018-11-01 11:41:45.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell