62045...00001 (24-digits)
This number is a prime.
6204 5083463524 7616000001
This prime is made from the 10 digits in ascending order, grouped and summed into three factorials: (0 + 1)! + (2 + 3 + 4 + 5 + 6)! + (7 + 8 + 9 )!. Note that there is another way to do this with those same digits to get a different prime. [Post]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell