120

This number is a composite.

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120 is the smallest three-digit number that may be expressed as the difference between the squares of consecutive primes in two different ways (120 = 31^2 - 29^2 = 17^2 - 13^2). [King]

Submitted: 2003-07-25 14:50:18; Last Modified: 2008-01-30 17:28:00.