410256793
This number is a prime.
In 1987, Chris K. Caldwell defined a deletable prime to be a
prime in which you can delete the digits one at a time in some order
and get a prime at each step:
- 410256793
- 41256793
- 4125673
- 415673
- 45673
- 4567
- 467
- 67
- 7
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean