I'm trying to get the remainder of a large number, for example:
1551690021432628813 % 64
But I find that the it's a couple of digits too long for JavaScript. i.e. it's getting rounded to zero.
Is there a way around this other than using a 26kb library like BigInteger.js?
thank you John Coleman
javascript version :
function calculateMod(str, mod) {
var n = str.length;
if (n <= 10) {
return parseInt(str) % mod;
}
else {
var first = str.substring(0, n - 10)
var second = str.substring(n - 10)
return (calculateMod(first, mod) * (Math.pow(10, 10) % mod) + parseInt(second) % mod) % mod;
}
}
// you can use the built-in BigInt object
console.log(Number(1551690021432628813n % 64n));