what are the divisidles rules
The divisibility rules are a set of guidelines that determine if one number is divisible by another without performing division.
To explain how to use the divisibility rules, I'll list some common rules for divisibility:
1. Divisible by 2: A number is divisible by 2 if its last digit is even (0, 2, 4, 6, or 8).
2. Divisible by 3: A number is divisible by 3 if the sum of its digits is divisible by 3. For example, the number 123 is divisible by 3 since 1 + 2 + 3 = 6, which is divisible by 3.
3. Divisible by 4: A number is divisible by 4 if the last two digits form a number divisible by 4. For example, the number 348 is divisible by 4 since 48 is divisible by 4.
4. Divisible by 5: A number is divisible by 5 if its last digit is 0 or 5.
5. Divisible by 6: A number is divisible by 6 if it is divisible by both 2 and 3.
6. Divisible by 9: A number is divisible by 9 if the sum of its digits is divisible by 9. For example, the number 567 is divisible by 9 since 5 + 6 + 7 = 18, which is divisible by 9.
7. Divisible by 10: A number is divisible by 10 if its last digit is 0.
These rules provide ways to quickly determine if a number is divisible by another number. By applying these rules, you can save time in performing division calculations.