Sagot :
Use the divisibility rules
A number is divisible by 2 if the last digit is 0, 2, 4, 6 or 8.
A number is divisible by 3 if the sum of the digits is divisible by 3
A number is divisible by 4 if the number formed by the last two digits is divisible by 4.
A number is divisible by 5 if the last digit is either 0 or 5.
A number is divisible by 5 if the last digit is either 0 or 5.
A number is divisible by 8 if the number formed by the last three digits is divisible by 8.
A number is divisible by 9 if the sum of the digits is divisible by 9.
A number is divisible by 10 if the last digit is 0.
A number is divisible by 2 if the last digit is 0, 2, 4, 6 or 8.
A number is divisible by 3 if the sum of the digits is divisible by 3
A number is divisible by 4 if the number formed by the last two digits is divisible by 4.
A number is divisible by 5 if the last digit is either 0 or 5.
A number is divisible by 5 if the last digit is either 0 or 5.
A number is divisible by 8 if the number formed by the last three digits is divisible by 8.
A number is divisible by 9 if the sum of the digits is divisible by 9.
A number is divisible by 10 if the last digit is 0.
simply use the divisibility rules
a number divisible by 2 If the last digit is 2,4,6,8,and 0
a number divisible by 3 is the sum of the digits is divisible by 3
a number divisible by 4 is the last 2 digit is 0
a number divisible by 5 is the last digit either 5 or 0
a number divisible by 6 is when the number is divisible by 2 and 3
a number divisible by 7 is double the last digit and look if its divisible by 7
a number divisible by 8 is the last 3 digits are 0
a number divisible by 9 is when the digits are divisible by 9
a number divisible by 10 is the last digit is 0