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A157677 Prime numbers p such that p + (product of digits) is also prime. +0
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23, 29, 61, 67, 83, 101, 103, 107, 109, 163, 233, 239, 283, 293, 307, 347, 349, 401, 409, 431, 439, 443, 449, 499, 503, 509, 563, 569, 601, 607, 613, 617, 619, 653, 659, 677, 683, 701, 709, 743, 809, 907, 929, 941, 1009, 1013, 1019, 1021, 1031, 1033, 1039 (list; graph; listen)
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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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