first commit

J03033 - BỘI SỐ CHUNG NHỎ NHẤT.java

@@ -0,0 +1,19 @@
+import java.util.Scanner;
+import java.math.BigInteger;
+
+public class Main{
+    static BigInteger gcd(BigInteger a, BigInteger b){
+        if(b.equals(BigInteger.ZERO)) return a;
+        return gcd(b, a.mod(b));
+    }
+    public static void main(String[] arg){
+        Scanner sc = new Scanner(System.in);
+        int t = sc.nextInt();
+        while(t-->0){
+            BigInteger a = new BigInteger(sc.next());
+            BigInteger b = new BigInteger(sc.next());
+            System.out.println(a.multiply(b).divide(gcd(a,b)));
+        }
+        sc.close();
+    }
+}