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                                                             1428 5715714285
7142856999 9999857142 8571428585 7142857142 8557142855 7142857142 8572857143
+ The smallest (and only known) unique prime [reciprocal has period 294] to contain the digits 2 and 4.

+ Phi(294,10)/7 is the smallest (and only known) zeroless pandigital unique prime. [Chandler]




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