public class PrimeNumberMake0 {

public static void primeMake(long startNumber, long endNumber) {


if (startNumber<=2 && endNumber >= 2) System.out.println(2 + "는 소수입니다");

if (startNumber<=3 && endNumber >= 3) System.out.println(3 + "는 소수입니다");


long modifiedNumber = 4;

if (startNumber > 4 ) modifiedNumber = startNumber;

for (long i = modifiedNumber ; i<endNumber; i++) {

int priNum = 0;

for (int j=2; j<i; j++ ) {

if (i%j==0) priNum++;

}

if (priNum==0) System.out.println(i+ "는 소수입니다");

}

}

}


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