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extra-long-factorials.js
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extra-long-factorials.js
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/* v8 has now BigInt support but unfortunally HackerRank
still have the Node.js version 8.10.0 and v8 6.2.414.50
See more at https://v8.dev/blog/bigint
*/
function extraLongFactorials(n) {
let f = [
"1"
,"2"
,"6"
,"24"
,"120"
,"720"
,"5040"
,"40320"
,"362880"
,"3628800"
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,"6227020800"
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,"51090942171709440000"
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]
console.log(f[n - 1])
}
extraLongFactorials(25) // 15511210043330985984000000
extraLongFactorials(45)