function isPrime(n) {
    if (n <= 1) {
        return false;
    }
    for (let i = 2; i <= Math.sqrt(n); i++) {
        if (n % i === 0) {
            return false;
        }
    }
    return true;
}
 
function findPrimesInRange(start, end) {
    const primes = [];
    for (let i = start; i <= end; i++) {
        if (isPrime(i)) {
            primes.push(i);
        }
    }
    return primes;
}
 
// ใช้ฟังก์ชันเพื่อหาจำนวนเฉพาะทั้งหมดตั้งแต่ 1 ถึง 1,000
const primesInRange = findPrimesInRange(1, 1000);
console.log(primesInRange);

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