71
This number is a prime.
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71 - 1 = 1 * 2 * 5 * 7 and 71 + 1 = 3 * 4 * 6. Note the products of partitions of consecutive numbers. [Poo Sung]
Submitted: 2002-01-30 10:56:13; Last Modified: 2008-01-30 17:28:00.
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