88888...99999 (39-digits)

This number is a prime.

                                  888888885 5555777777 7444466666 6999999999

Single Curio View:   (Seek other curios for this number)
The largest prime concatenated from the six largest rep-digit numbers, each of them formed by using d times the digit d, i.e., 4444, 55555, 666666, 7777777, 88888888, 999999999. [Loungrides]

Submitted: 2020-03-30 23:39:16;   Last Modified: 2020-06-25 10:59:41.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell