Prime Curios!: 20261

20261
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The smallest five-digit prime ABCDE for which the all of the following are also prime: ABCD + E; ABC + DE; AB + CDE; A + BCDE; AB + CD + E; A + B + C + D + E. [Kilpatrick]

Submitted: 2006-03-13 00:56:16; Last Modified: 2008-01-30 11:28:00.