37898818253

This number is a prime.

                                                                3 7898818253

+ Oscar Volpatti and Jan van Delden discovered the 24th full-autoinsertable prime. These remain prime after its insertion in each interdigital position, one at a time: 3789881825'37898818253'3; 378988182'37898818253'53; 37898818'37898818253'253; 3789881'37898818253'8253; 378988'37898818253'18253; 37898'37898818253'818253; 3789'37898818253'8818253; 378'37898818253'98818253; 37'37898818253'898818253; 3'37898818253'7898818253. [Rivera]

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