最大公约数和最小公倍数

 

public class common{

public static void main(String[],args)

{

 common cc=new common();

cc.commy(15,19);

cc.commb(15,19);

}

public void commy(int a,int b)

{

 int i;

int commyue=0;

int c=a;

if(c<b)

c=b;

while(i<=c)

{

if(a%i==0&&b%i==0)

commyue=i;

i++;

}

System.out.println(commyue);

}

public void commb(int a,int b)

{

int c=a;

int commbe=0;

if(c<b)

c=b;

while(c<=a*b)

{

if(c%a==0&&c%b==0)

{

commbe=c;

break;

}

c++;

}

System.out.println(commbe);

}

}