18745...74563 (127-digits)
This number is a prime.
1874563 2901874563 2901874563 2901874563 2901874563 2901874563
2901874563 2901874563 2901874563 2901874563 2901874563 2901874563 2901874563
The concatenation of the rightmost digits of the first 127
cubes is a prime number. The shortest such case. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean