26 lines
500 B
Batchfile
26 lines
500 B
Batchfile
@echo off
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::usage: cmd /k primefactor.cmd number
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setlocal enabledelayedexpansion
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set /a compo=%1
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if "%compo%"=="" goto:eof
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set list=%compo%= (
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set /a div=2 & call :loopdiv
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set /a div=3 & call :loopdiv
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set /a div=5,inc=2
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:looptest
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call :loopdiv
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set /a div+=inc,inc=6-inc,div2=div*div
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if %div2% lss %compo% goto looptest
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if %compo% neq 1 set list= %list% %compo%
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echo %list%) & goto:eof
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:loopdiv
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set /a "res=compo%%div
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if %res% neq 0 goto:eof
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set list=%list% %div%,
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set/a compo/=div
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goto:loopdiv
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