 # Smallest Common Multiple-How can 1 and 5 have 60 as LCM

Smallest Common Multiple-How can 1 and 5 have 60 as LCM
0

#1

Tell us what’s happening:
Ok. Unless my math has become bad but how is the smallest common multiple of 1 and 5 equal to 60? The code I wrote gives me 5, which by my math is correct.

Your code so far

``````function smallestCommons(arr) {
var a, b, r;
a = arr;
b = arr;

function GCD(a,b){
if (a > b && b !== 0){
r = a % b;
if ( r === 0){ return b;}
else {return GCD(b,r);}

}

if (b > a && a !== 0){
r = b % a;
if ( r === 0){ return a;}
else {return GCD(a,r);}
}
if (a===b && b !== 0) { return a;}
if ( b === 0 && a !== 0) { return a;}
if (a === 0 && b !== 0) { return b;}

}
return (a*b/GCD(a,b));
}

smallestCommons([1,5]);
``````

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Link to the challenge:

#2

The smallest common multiple of the numbers from 1 to 5 is 60.

#3

OH I get it , numbers between 1 and 5 not just 1 and 5. I get it. Thank you