Is 3 a multiple of 30?

Answer 1

Yes, 30 is a multiple of 3. 10*3 = 30. For any integer, if you add up the digits in the integer and their sum is divisible by 3, the integer is also divisible by 3. For instance, the digits of 30 are three and zero. When we add these, the sum is 3, and so 30 is divisible by 3. Another example: 1,326,369. When we add the digits 1+3+2+6+3+6+9 = 30. Since 30 is divisible by 3, we know that 1,326,369 is also divisible by 3.

Answer 2

No. 30 is a multiple of 3; 3 is a factor of 30.