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// https://projecteuler.net/problem=1
/* Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.
Find the sum of all the multiples of 3 or 5 below the provided parameter value number.
*/
constmultiplesThreeAndFive=(num)=>{
if(num<1)thrownewError('No natural numbers exist below 1')
lettotal=0
// total for calculating the sum
for(leti=1;i<num;i++){
if(i%3===0||i%5===0){
total+=i
}
}
returntotal
}
export{multiplesThreeAndFive}