Problem to display big numbers in javascript

I try to display a big number but the result is not correct.
My code:
var n = 1771653332244424314244444;
console.println(util.printf("Float format: %f", n));
Result:
Float format: 1771653332244424300000000.
The result is round. Why ?
How to do to display the good number ?
David

> The result is round. Why ?
This is the normal limitation of the representation of floating numbers.
> How to do to display the good number ?
You can use a JavaScript library like BigInt.js:
http://www.leemon.com/crypto/BigInt.html

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