# multiply of 100 digits numbers

multiplying 100 digits numbers to eachother January 12, 2011 at 3:43 PM

Hi Friend,

Try this:

```import java.math.*;
import java.util.*;
class ProductOfDigits{
public static void main(String[] args){
Scanner input=new Scanner(System.in);
System.out.print("Enter Number: ");
BigInteger bi=input.nextBigInteger();
String strSum = bi.toString();
BigInteger num=new BigInteger("1");
for(int i = 0;i < strSum.length(); i++){
char ch=strSum.charAt(i);
num=num.multiply(new BigInteger(Character.toString(ch)));
}
System.out.println(num);
}
}
```

Thanks

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