5555333227
This number is a prime.
The largest prime-digit prime formed by using the prime digits 4 to 1 times, (i.e., of form aaaabbbccd). [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean
This number is a prime.
The largest prime-digit prime formed by using the prime digits 4 to 1 times, (i.e., of form aaaabbbccd). [Loungrides]