Prime Curios!: 589407

589407
(another Prime Pages' Curiosity)

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589407 is the smallest number m such that the six numbers 1.prime(m).prime (m+1), prime (m).1.prime (m+1), prime (m).prime (m+1).1, 1.prime (m-1).prime (m), prime (m-1).1.prime (m), and prime (m-1).prime (m).1 (formed by concatenation) are primes. [Firoozbakht]

Submitted: 2004-01-25 05:05:46; Last Modified: 2008-01-30 11:28:00.