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Unprimeable numbers: Difference between revisions
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assert 0 1 -: unprimable 193 200
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NB. test 2e6 integers for unprimability
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UNPRIMABLE {~ <: 600 NB. 600th
NB.
NB. sorted by least significant digit after grouping (in order) by the LSD key.
(/: 10&|) ({./.~ 10&|) UNPRIMABLE
200 595631 322 1203623 204 325 206 872897 208 212159
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