Laws of multiples
2
- Multiples of two: are even numbers.
3 - Multiples of three: the sum of the digits is divisible by three.
4
- Multiples of four: The sum of digits in tens and ones place is divisible
by four.
5
- Multiples of five: end in 0 or 5.
6
- Multiples of six: satisfy the law of multiples for 2 and 3.
8
- Multiples of eight: satisfy the law of multiples for 2 and 4.
9
- Multiples of nine: the sum of digits is divisible by 9.