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Factors of an integer: Difference between revisions
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→optimized version: changed (comment): divisors to integers. -- ~~~~
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m (→optimized version: changed (comment): divisors to integers. -- ~~~~) |
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divisors: procedure; parse arg x 1 b; if x==1 then return 1; a=1; odd=x//2
/*Odd? Then use only odd divisors*/
do j=2+odd by 1+odd while j*j<x /*divide by all
if x//j\==0 then iterate /*¬ divisible? Then keep looking*/
a=a j; b=x%j b /*add a divisor to both lists. */
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