find 10-digit primes in verious hash values

alpaca.js

// this doesn't work:

/*
h = this.GetHash(); 
x = {last 10-digit prime found in consecutive digits of h in base-10}; 
requests.post('https://api.alpaca.markets/v2/puzzle/202108/solve', json={'answer': account.id.int * x, 'email': your_waitlist_email})
*/

// get basic hashes with Powershell
//@('SHA1', 'SHA256', 'SHA384', 'SHA512', 'MD5') | % { Get-FileHash -Path ~\Downloads\110-days-after-lehman-collapsed.jpg -Algorithm "$_" }
// ImageMagick hash:
//. "C:\Program Files\ImageMagick-7.1.0-Q16-HDRI\identify.exe" -format '%# - %f\n' ~\Downloads\110-days-after-lehman-collapsed.jpg
// also tried X-Amz-Signature value from http headers
const bigInt = require("big-integer");

// use this to convert from large hex to decimal https://github.com/peterolson/BigInteger.js
const hashes = [
  {
    alg: "SHA1",
    hex: "2BAFE2C0E8AF9E5ABD56BCDA3A55D496273BCE17",
    dec: "249408986575295744009914666315845831158409186839"
  },
  {
    alg: "SHA256",
    hex: "E0276B7C5F623E1610E9DF33A2B10B515CB0C3E05DD5C0AA2C41082E839ACFD9",
    dec: "101387726958115603640319954397403484634240812068163599832991394802643337138137"
  },
  {
    alg: "SHA384",
    hex: "05F7F69B955E85570332C562F6758E15A1A71F0A2C1AF4430E6E5DCB5D4C7E68FE69182E6F498BCD768FCECF1B0B3DD1",
    dec: "918652646914571849255467505039698664662139790706186520539437121925804428578886844694500572288269682399949202603473"
  },
  {
    alg: "SHA512",
    hex: "8280CCEE0F69F2DE62094CCA27BA254B7C188482990D159615FE11CBDE16DB315DB932642B23F80E488C1B9DA4A97A1D1F3AB55F78B9F3DBEE09F20EFA07E6F3",
    dec: "6835003362647552627817971818993474412315985556180882395915956782319223457691858843283853858451995615042777221820623823598132413607865876816044271272978163"
  },
  {
    alg: "MD5",
    hex: "CD4E0E329E778C3B4EBE7660DF6292F0",
    dec: "272897026255059203286554907578334352112"
  },
  {
    alg: "ImageMagick",
    hex: "34de8225a44a0b296fd1f71d8991e91e35892c6232070b34d8398d31660363ef",
    dec: "23913406416555438578821688986402523302099110721159753338993699528059130176495"
  },
  {
    alg: "X-Amz-Signature",
    hex: "3a3a8eb488cbc41f3f29a3b9f3e2f91e2899990faae66fabaaef56f9ea6148e9",
    dec: "26337607262764537343145012260433185439051242925309303714317969673949875882217"
  }
];

const getPrime = function (newDigits) {
  // get ten digit numbers
  let tens = [];
  for (let i = newDigits.length - 10; i >= 0; i--) {
      tens.push(newDigits.substring(i, i + 10));
  }

  const isPrime = num => {
      for(let i = 2, s = Math.sqrt(num); i <= s; i++) {
        if(num % i === 0) {
          return false;
        }
      }
      return num > 1;
  };

  let tensPrime = [];
  for(let i = 0, l = tens.length; i < l; i++) {
    let item = tens[i];
    if (item.startsWith("0")) {
      tensPrime[i] = "skipped";
    } else {
      let val = parseInt(item, 10);
      if (isPrime(val)) {
        tensPrime[i] = val;
        // return first prime
        return val;
      } else {
        tensPrime[i] = false;
      }
    }
  }
};

// try guid converted to decimal?
const acctID = new bigInt(process.env.ACCOUNT_ID_INT, 10);

for(let i = 0, l = hashes.length; i < l; i++) {
  let hash = hashes[i];
  console.log(hash);
  let result = getPrime(hash.dec);
  console.log(result);
  console.log("id:", acctID, " answer:", acctID.times(result));
}