5658
This number is a composite.
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The only 4-digit number N which is the product of 4 distinct primes, and is also divisible by the sum of those 4 primes. Note that both N+1 and N-1 are prime numbers. [Patterson]
Submitted: 2004-10-05 13:19:58; Last Modified: 2008-01-30 17:28:00.
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