What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?

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?

+/- Click and see the code that is about the article.

/* source : freelearncprogramming.blogspot.com */


#include <stdio.h>

int main ()

{
int counter;

for (counter=1;counter<=400000000000;counter++)

{
if (counter%1) {
continue;
}
else if (counter%2)
{
continue;

}
else if (counter%3)
{
continue;

}
else if (counter%4)
{
continue;

}
else if (counter%5)
{
continue;

}
else if (counter%6)
{
continue;

}
else if (counter%7)
{
continue;

}
else if (counter%8)
{
continue;

}
else if (counter%9)
{
continue;

}
else if (counter%10)
{
continue;

}
else if (counter%11)
{
continue;

}
else if (counter%12)
{
continue;

}
else if (counter%13)
{
continue;

}
else if (counter%14)
{
continue;

}
else if (counter%15)
{
continue;

}
else if (counter%16)
{
continue;

}
else if (counter%17)
{
continue;

}
else if (counter%18)
{
continue;

}
else if (counter%19)
{
continue;

}
else if (counter%20)
{
continue;

}

printf("%d\n",counter);
break;
}


}