

A199428


Extreme weakly prime numbers.


1



40144044691, 58058453543, 89797181359, 185113489357, 213022025663, 222498988079, 365115312521, 397195264507, 507086259359, 537598896647, 576872778883, 671770400281, 710587610861, 719174481061, 815380174991, 840202011349, 855194972407, 869287849361, 891600776149
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OFFSET

1,1


COMMENTS

Primes that become composite if any digit is removed, changed, or inserted anywhere. First & smallest term found by Jens K. Andersen in 2008; five more by Giovanni Resta in Nov. 2011. Expected infinite of them. These primes emerge in relation to the primeversion of classical Doublets puzzle by Lewis Carrol. Correspond to the "aloof" words as named by Donald Knuth.


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KEYWORD

nonn,base


AUTHOR



EXTENSIONS



STATUS

approved



