Special neighbor primes: Difference between revisions
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m (added whitespace, added a category (Prime Numbers).) |
m (→{{header|REXX}}: changed program title comment.) |
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=={{header|REXX}}== |
=={{header|REXX}}== |
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<lang rexx>/*REXX |
<lang rexx>/*REXX pgm finds special neighbor primes: P1, P2, P1+P2-1 are prime, and P1 and P2<100*/ |
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parse arg hi cols . /*obtain optional argument from the CL.*/ |
parse arg hi cols . /*obtain optional argument from the CL.*/ |
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if hi=='' | hi=="," then hi= 100 /*Not specified? Then use the default.*/ |
if hi=='' | hi=="," then hi= 100 /*Not specified? Then use the default.*/ |
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