Created
September 18, 2013 09:15
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2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?
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| /* | |
| 2520 is the smallest number that can be divided by | |
| each of the numbers from 1 to 10 without any remainder. | |
| What is the smallest positive number that is evenly | |
| divisible by all of the numbers from 1 to 20? | |
| */ | |
| // determine start number = n ie. 20 | |
| function getSmallestDivisor(n){ | |
| var i = n; | |
| // if not 0 then i++ | |
| function checkI(i){ | |
| for (var j = 1; j <= n; j++) { | |
| // loop 20 % i where i goes from 1 to 20 must % = 0 | |
| if( i % j !== 0 ){ return false; } | |
| }; | |
| return true; | |
| } | |
| // break loop when n all are 0 | |
| while( !(checkI(i)) ){ i+=n; } | |
| return i; | |
| } |
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