DIVISIBILITY RULES Flashcards
1
Q
2
A
if its last digit is even (0,2,4,6,8)
2
Q
3
A
if the sum of the digits is divisible by 3
3
Q
4
A
if the last two digits of the number are divisible by 4
4
Q
5
A
if the last digit is either 0 or 5
5
Q
6
A
if the number is divisible by both 2 and 3
6
Q
7
A
if the last digit of the number is doubled and subtracted from the rest of the number and this difference is divisible by 7
7
Q
8
A
if the last three digits of a number are divisible by 8
8
Q
9
A
if the sum of the digits are divisible by 9
9
Q
10
A
if the number ends with 0
10
Q
11
A
if the difference of the alternating sum of digits is a multiple of 11
11
Q
12
A
if the number is divisible by both 3 and 4