Find prime n such that reversed n is also prime: Difference between revisions
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=={{header|J}}== |
=={{header|J}}== |
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<syntaxhighlight lang="j"> (#~ 1 p: |.&. |
<syntaxhighlight lang="j"> (#~ 1 p: |.&.":"0) i.&.(p:inv) 500 |
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2 3 5 7 11 13 17 31 37 71 73 79 97 101 107 113 131 149 151 157 167 179 181 191 199 311 313 337 347 353 359 373 383 389</syntaxhighlight> |
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