6829547103
This number is a composite.
Just showing those entries submitted by 'Rivera': (Click here to show all)
6829547103 & 8563421790 are the only two pandigital numbers that have 20 primes embedded. No other pandigital has more than 20. [Rivera]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell