887

This number is a prime.

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887 is the largest prime in a set of primes having exactly one "1", two "2", ..., nine "9" with minimal sum. {5, 7, 29, 47, 59, 61, 67, 79, 83, 89, 269, 389, 449, 487, 569, 587, 659, 683, 887} and the sum is 5505. Found by Claudio Meller and Giovanni Resta. [Rivera]

Submitted: 2019-02-05 23:49:02; Last Modified: 2019-02-06 12:30:12.