22333555577777
This number is a prime.
2233 3555577777
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The result of the concatenation of the four one-digit primes in ascending order, repeated two, three, four, and five times. [Silva]
Submitted: 2007-06-22 14:13:09; Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell