8929

This number is a prime.

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The largest of three primes each concatenated from two double-digit primes and each having sum of digits the same perfect number, (28). The other two primes are 8389 and 4789. [Loungrides]

Submitted: 2012-03-15 02:58:42;   Last Modified: 2020-05-31 12:00:16.
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