Unprimeable numbers: Difference between revisions
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assert 0 1 -: unprimable 193 200 |
assert 0 1 -: unprimable 193 200 |
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</lang> |
</lang> |
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<pre> |
<pre> |
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NB. test 2e6 integers for unprimability |
NB. test 2e6 integers for unprimability |
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UNPRIMABLE {~ <: 600 NB. 600th |
UNPRIMABLE {~ <: 600 NB. 600th |
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5242 |
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NB. |
NB. the first unprimable numbers ending with 0--9 |
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NB. sorted by least significant digit after grouping (in order) by the LSD key. |
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(/: 10&|) ({./.~ 10&|) UNPRIMABLE |
(/: 10&|) ({./.~ 10&|) UNPRIMABLE |
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200 595631 322 1203623 204 325 206 872897 208 212159 |
200 595631 322 1203623 204 325 206 872897 208 212159 |
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