Carmichael 3 strong pseudoprimes: Difference between revisions
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(→{{header|REXX}}: changed/added comments and indentations, optimized some code.) |
m (→{{header|REXX}}: optimized the isPrime function a wee bit.) |
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/*──────────────────────────────────────────────────────────────────────────────────────*/ |
/*──────────────────────────────────────────────────────────────────────────────────────*/ |
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isPrime: procedure expose !.; parse arg x; if !.x then return 1 |
isPrime: procedure expose !.; parse arg x; if !.x then return 1 |
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if x< |
if x<37 then return 0; if x//2==0 then return 0; if x// 3==0 then return 0 |
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parse var x '' -1 _; if _==5 then return 0; if x// 7==0 then return 0 |
parse var x '' -1 _; if _==5 then return 0; if x// 7==0 then return 0 |
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if x//11==0 then return 0; if x//13==0 then return 0 |
if x//11==0 then return 0; if x//13==0 then return 0 |
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