2 ** 256 BigInteger in javascript

Question

Which will normally result in 1.157920892373162e+77 ,but what I want is the accurate number of 2 ** 256 like 1157920892731685487456125.....

I has try big-integer and math.js but both can't show all of the number after calculate.

Yes. Questions about code not working should have code in them, ideally a re-create. — Richard
– Richard, Commented Aug 4, 2017 at 9:15
Paste 2 ** 256 in chrome console isn't it? And it's not about code not working. — user7924038
– user7924038, Commented Aug 4, 2017 at 9:39

robertklep · Accepted Answer · 2017-08-04 08:55:33Z

3

Works fine using big-integer:

const bigInt = require('big-integer');
let value    = bigInt(2).pow(256);

console.log(value.toString());
// 115792089237316195423570985008687907853269984665640564039457584007913129639936

answered Aug 4, 2017 at 8:55

robertklep

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robertklep Over a year ago

With large numbers like that, you can't use the built-in JS methods for calculation (which are limited to what JS itself is limited to), you have to use the methods that big-integer provides.

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